56975436749 has 16 divisors (see below), whose sum is σ = 71067849216. Its totient is φ = 44375482800.

The previous prime is 56975436689. The next prime is 56975436787. The reversal of 56975436749 is 94763457965.

It is not a de Polignac number, because 56975436749 - 2²⁸ = 56707001293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56975439749) 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, 9527 + ... + 337700.

It is an arithmetic number, because the mean of its divisors is an integer number (4441740576).

Almost surely, 2^56975436749 is an apocalyptic number.

It is an amenable number.

56975436749 is a deficient number, since it is larger than the sum of its proper divisors (14092412467).

56975436749 is a wasteful number, since it uses less digits than its factorization.

56975436749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349376.

The product of its digits is 171460800, while the sum is 65.

The spelling of 56975436749 in words is "fifty-six billion, nine hundred seventy-five million, four hundred thirty-six thousand, seven hundred forty-nine".