56731872082669 has 12 divisors (see below), whose sum is σ = 68428470959904. Its totient is φ = 46067986350792.

The previous prime is 56731872082657. The next prime is 56731872082729. The reversal of 56731872082669 is 96628027813765.

It is not a de Polignac number, because 56731872082669 - 2⁷ = 56731872082541 is a prime.

It is a super-2 number, since 2×56731872082669² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56731872082598 and 56731872082607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56731872032669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11225140347 + ... + 11225145400.

It is an arithmetic number, because the mean of its divisors is an integer number (5702372579992).

Almost surely, 2^{56731872082669} is an apocalyptic number.

It is an amenable number.

56731872082669 is a deficient number, since it is larger than the sum of its proper divisors (11696598877235).

56731872082669 is a wasteful number, since it uses less digits than its factorization.

56731872082669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22450285792 (or 22450285773 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 70.

The spelling of 56731872082669 in words is "fifty-six trillion, seven hundred thirty-one billion, eight hundred seventy-two million, eighty-two thousand, six hundred sixty-nine".