3934656631 has 2 divisors, whose sum is σ = 3934656632. Its totient is φ = 3934656630.

The previous prime is 3934656623. The next prime is 3934656689. The reversal of 3934656631 is 1366564393.

3934656631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3934656631 - 2³ = 3934656623 is a prime.

It is a super-2 number, since 2×3934656631² = 30963045607744540322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3934656601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1967328315 + 1967328316.

It is an arithmetic number, because the mean of its divisors is an integer number (1967328316).

Almost surely, 2^3934656631 is an apocalyptic number.

3934656631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3934656631 is an equidigital number, since it uses as much as digits as its factorization.

3934656631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 46.

The square root of 3934656631 is about 62726.8413918635. The cubic root of 3934656631 is about 1578.7097075438.

The spelling of 3934656631 in words is "three billion, nine hundred thirty-four million, six hundred fifty-six thousand, six hundred thirty-one".