56993666319 has 24 divisors (see below), whose sum is σ = 87418066320. Its totient is φ = 35657641728.

The previous prime is 56993666299. The next prime is 56993666321. The reversal of 56993666319 is 91366639965.

It is not a de Polignac number, because 56993666319 - 2⁵ = 56993666287 is a prime.

It is a super-2 number, since 2×56993666319² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56993666399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 483664 + ... + 589845.

It is an arithmetic number, because the mean of its divisors is an integer number (3642419430).

Almost surely, 2^56993666319 is an apocalyptic number.

56993666319 is a deficient number, since it is larger than the sum of its proper divisors (30424400001).

56993666319 is a wasteful number, since it uses less digits than its factorization.

56993666319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073879 (or 1073876 counting only the distinct ones).

The product of its digits is 42515280, while the sum is 63.

The spelling of 56993666319 in words is "fifty-six billion, nine hundred ninety-three million, six hundred sixty-six thousand, three hundred nineteen".