549968972679 has 24 divisors (see below), whose sum is σ = 907905370112. Its totient is φ = 314261033040.

The previous prime is 549968972647. The next prime is 549968972701. The reversal of 549968972679 is 976279869945.

549968972679 is a `hidden beast` number, since 5 + 499 + 68 + 9 + 7 + 2 + 67 + 9 = 666.

It is not a de Polignac number, because 549968972679 - 2⁵ = 549968972647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 549968972598 and 549968972607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549968972479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4489614 + ... + 4610484.

Almost surely, 2^549968972679 is an apocalyptic number.

549968972679 is a deficient number, since it is larger than the sum of its proper divisors (357936397433).

549968972679 is a wasteful number, since it uses less digits than its factorization.

549968972679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193107 (or 193104 counting only the distinct ones).

The product of its digits is 3703553280, while the sum is 81.

The spelling of 549968972679 in words is "five hundred forty-nine billion, nine hundred sixty-eight million, nine hundred seventy-two thousand, six hundred seventy-nine".