631346925972 has 48 divisors (see below), whose sum is σ = 1685556512640. Its totient is φ = 180174331392.

The previous prime is 631346925929. The next prime is 631346925977. The reversal of 631346925972 is 279529643136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631346925977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4313097 + ... + 4457072.

It is an arithmetic number, because the mean of its divisors is an integer number (35115760680).

Almost surely, 2^631346925972 is an apocalyptic number.

It is an amenable number.

631346925972 is an abundant number, since it is smaller than the sum of its proper divisors (1054209586668).

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

631346925972 is a wasteful number, since it uses less digits than its factorization.

631346925972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8771040 (or 8771038 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 57.

The spelling of 631346925972 in words is "six hundred thirty-one billion, three hundred forty-six million, nine hundred twenty-five thousand, nine hundred seventy-two".