The infant, who was born in India, had several abnormalities - including two extra penises and no anus.
Only one of the penises passed urine, and doctors say that now the operation has been performed correct the issue, he will grow up to have a fully functioning appendage.
The condition where males are born with more than one penis is known as diphallia and is extremely rare.
Indeed only 100 cases have been recorded in medical history dating back 400 years.
One of the penises was removed, while the remaining two were fused together to create a fully functioning one.
During the same operation, surgeons performed a colostomy to allow the boy to pass excrement.
The boy’s uncle said: ‘We want out boy to lead a normal life, and are grateful to the doctors who have conducted a successful surgery.’