56974394569 has 8 divisors (see below), whose sum is σ = 57339766080. Its totient is φ = 56609216496.

The previous prime is 56974394551. The next prime is 56974394573. The reversal of 56974394569 is 96549347965.

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

It is a cyclic number.

It is not a de Polignac number, because 56974394569 - 2¹¹ = 56974392521 is a prime.

It is a super-2 number, since 2×56974394569² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56974394509) 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, 567627 + ... + 660415.

It is an arithmetic number, because the mean of its divisors is an integer number (7167470760).

Almost surely, 2^56974394569 is an apocalyptic number.

It is an amenable number.

56974394569 is a deficient number, since it is larger than the sum of its proper divisors (365371511).

56974394569 is a wasteful number, since it uses less digits than its factorization.

56974394569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96719.

The product of its digits is 220449600, while the sum is 67.

The spelling of 56974394569 in words is "fifty-six billion, nine hundred seventy-four million, three hundred ninety-four thousand, five hundred sixty-nine".