712909494864 has 120 divisors (see below), whose sum is σ = 2285105069312. Its totient is φ = 203248362240.

The previous prime is 712909494853. The next prime is 712909494907. The reversal of 712909494864 is 468494909217.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297067 + ... + 1230474.

Almost surely, 2^712909494864 is an apocalyptic number.

It is an amenable number.

712909494864 is an abundant number, since it is smaller than the sum of its proper divisors (1572195574448).

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

712909494864 is a wasteful number, since it uses less digits than its factorization.

712909494864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528025 (or 1528016 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 712909494864 in words is "seven hundred twelve billion, nine hundred nine million, four hundred ninety-four thousand, eight hundred sixty-four".