631992838704 has 20 divisors (see below), whose sum is σ = 1632648166776. Its totient is φ = 210664279552.

The previous prime is 631992838693. The next prime is 631992838717. The reversal of 631992838704 is 407838299136.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6583258689 + ... + 6583258784.

Almost surely, 2^631992838704 is an apocalyptic number.

It is an amenable number.

631992838704 is an abundant number, since it is smaller than the sum of its proper divisors (1000655328072).

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

631992838704 is a wasteful number, since it uses less digits than its factorization.

631992838704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13166517484 (or 13166517478 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 631992838704 in words is "six hundred thirty-one billion, nine hundred ninety-two million, eight hundred thirty-eight thousand, seven hundred four".