631473297952 has 48 divisors (see below), whose sum is σ = 1440826434432. Its totient is φ = 266819696640.

The previous prime is 631473297943. The next prime is 631473297953. The reversal of 631473297952 is 259792374136.

It is not an unprimeable number, because it can be changed into a prime (631473297953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19836753 + ... + 19868560.

It is an arithmetic number, because the mean of its divisors is an integer number (30017217384).

Almost surely, 2^631473297952 is an apocalyptic number.

It is an amenable number.

631473297952 is an abundant number, since it is smaller than the sum of its proper divisors (809353136480).

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

631473297952 is a wasteful number, since it uses less digits than its factorization.

631473297952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39705401 (or 39705393 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 58.

The spelling of 631473297952 in words is "six hundred thirty-one billion, four hundred seventy-three million, two hundred ninety-seven thousand, nine hundred fifty-two".