56739852919 has 12 divisors (see below), whose sum is σ = 60296872864. Its totient is φ = 53381793024.

The previous prime is 56739852913. The next prime is 56739852979. The reversal of 56739852919 is 91925893765.

It is not a de Polignac number, because 56739852919 - 2⁷ = 56739852791 is a prime.

It is a super-3 number, since 3×56739852919³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56739852913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 747874 + ... + 820240.

Almost surely, 2^56739852919 is an apocalyptic number.

56739852919 is a deficient number, since it is larger than the sum of its proper divisors (3557019945).

56739852919 is a wasteful number, since it uses less digits than its factorization.

56739852919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75114 (or 75097 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 64.

The spelling of 56739852919 in words is "fifty-six billion, seven hundred thirty-nine million, eight hundred fifty-two thousand, nine hundred nineteen".