647659542360 has 32 divisors (see below), whose sum is σ = 1942978627440. Its totient is φ = 172709211264.

The previous prime is 647659542281. The next prime is 647659542377. The reversal of 647659542360 is 63245956746.

It is a self number, because there is not a number n which added to its sum of digits gives 647659542360.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2698581307 + ... + 2698581546.

Almost surely, 2^647659542360 is an apocalyptic number.

647659542360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

647659542360 is an abundant number, since it is smaller than the sum of its proper divisors (1295319085080).

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

647659542360 is a wasteful number, since it uses less digits than its factorization.

647659542360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5397162867 (or 5397162863 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 57.

The spelling of 647659542360 in words is "six hundred forty-seven billion, six hundred fifty-nine million, five hundred forty-two thousand, three hundred sixty".