631265839468 has 24 divisors (see below), whose sum is σ = 1205224085520. Its totient is φ = 286919920320.

The previous prime is 631265839439. The next prime is 631265839499. The reversal of 631265839468 is 864938562136.

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, 202030 + ... + 1141642.

It is an arithmetic number, because the mean of its divisors is an integer number (50217670230).

Almost surely, 2^631265839468 is an apocalyptic number.

It is an amenable number.

631265839468 is a deficient number, since it is larger than the sum of its proper divisors (573958246052).

631265839468 is a wasteful number, since it uses less digits than its factorization.

631265839468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954897 (or 954895 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 61.

The spelling of 631265839468 in words is "six hundred thirty-one billion, two hundred sixty-five million, eight hundred thirty-nine thousand, four hundred sixty-eight".