476629639 has 2 divisors, whose sum is σ = 476629640. Its totient is φ = 476629638.

The previous prime is 476629627. The next prime is 476629771. The reversal of 476629639 is 936926674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 476629639 - 2¹⁵ = 476596871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (476629609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238314819 + 238314820.

It is an arithmetic number, because the mean of its divisors is an integer number (238314820).

Almost surely, 2^476629639 is an apocalyptic number.

476629639 is a deficient number, since it is larger than the sum of its proper divisors (1).

476629639 is an equidigital number, since it uses as much as digits as its factorization.

476629639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 52.

The square root of 476629639 is about 21831.8491887426. The cubic root of 476629639 is about 781.1366504011.

The spelling of 476629639 in words is "four hundred seventy-six million, six hundred twenty-nine thousand, six hundred thirty-nine".