56995796774639 has 8 divisors (see below), whose sum is σ = 57754548514080. Its totient is φ = 56239675024896.

The previous prime is 56995796774557. The next prime is 56995796774671. The reversal of 56995796774639 is 93647769759965.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56995796774639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56995796774699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657453794 + ... + 657540479.

It is an arithmetic number, because the mean of its divisors is an integer number (7219318564260).

Almost surely, 2^{56995796774639} is an apocalyptic number.

56995796774639 is a deficient number, since it is larger than the sum of its proper divisors (758751739441).

56995796774639 is a wasteful number, since it uses less digits than its factorization.

56995796774639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314994849.

The product of its digits is 145827410400, while the sum is 92.

The spelling of 56995796774639 in words is "fifty-six trillion, nine hundred ninety-five billion, seven hundred ninety-six million, seven hundred seventy-four thousand, six hundred thirty-nine".