631794893954904 has 96 divisors (see below), whose sum is σ = 1747542625583040. Its totient is φ = 206114554022400.

The previous prime is 631794893954893. The next prime is 631794893954981. The reversal of 631794893954904 is 409459398497136.

It is a happy number.

631794893954904 is a `hidden beast` number, since 6 + 3 + 1 + 7 + 9 + 489 + 3 + 95 + 49 + 0 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243511524 + ... + 246092364.

It is an arithmetic number, because the mean of its divisors is an integer number (18203569016490).

Almost surely, 2^{631794893954904} is an apocalyptic number.

It is an amenable number.

631794893954904 is an abundant number, since it is smaller than the sum of its proper divisors (1115747731628136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631794893954904 is a wasteful number, since it uses less digits than its factorization.

631794893954904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653241 (or 2653234 counting only the distinct ones).

The product of its (nonzero) digits is 6348948480, while the sum is 81.

The spelling of 631794893954904 in words is "six hundred thirty-one trillion, seven hundred ninety-four billion, eight hundred ninety-three million, nine hundred fifty-four thousand, nine hundred four".