56700513213621 has 8 divisors (see below), whose sum is σ = 79579667668320. Its totient is φ = 35810850450672.

The previous prime is 56700513213541. The next prime is 56700513213709. The reversal of 56700513213621 is 12631231500765.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56700513213621 - 2³⁹ = 56150757399733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56700513213821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497372922870 + ... + 497372922983.

It is an arithmetic number, because the mean of its divisors is an integer number (9947458458540).

Almost surely, 2^{56700513213621} is an apocalyptic number.

It is an amenable number.

56700513213621 is a deficient number, since it is larger than the sum of its proper divisors (22879154454699).

56700513213621 is a wasteful number, since it uses less digits than its factorization.

56700513213621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994745845875.

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 56700513213621 in words is "fifty-six trillion, seven hundred billion, five hundred thirteen million, two hundred thirteen thousand, six hundred twenty-one".