647974501296 has 80 divisors (see below), whose sum is σ = 1688186615808. Its totient is φ = 214159852800.

The previous prime is 647974501259. The next prime is 647974501297. The reversal of 647974501296 is 692105479746.

It is not an unprimeable number, because it can be changed into a prime (647974501297) 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, 2699466 + ... + 2929686.

Almost surely, 2^647974501296 is an apocalyptic number.

It is an amenable number.

647974501296 is an abundant number, since it is smaller than the sum of its proper divisors (1040212114512).

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

647974501296 is a wasteful number, since it uses less digits than its factorization.

647974501296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230730 (or 230724 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 647974501296 in words is "six hundred forty-seven billion, nine hundred seventy-four million, five hundred one thousand, two hundred ninety-six".