631653065232 has 40 divisors (see below), whose sum is σ = 1864880479296. Its totient is φ = 180472304256.

The previous prime is 631653065221. The next prime is 631653065299. The reversal of 631653065232 is 232560356136.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939959583 + ... + 939960254.

Almost surely, 2^631653065232 is an apocalyptic number.

It is an amenable number.

631653065232 is an abundant number, since it is smaller than the sum of its proper divisors (1233227414064).

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

631653065232 is a wasteful number, since it uses less digits than its factorization.

631653065232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879919855 (or 1879919849 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 631653065232 in words is "six hundred thirty-one billion, six hundred fifty-three million, sixty-five thousand, two hundred thirty-two".