3979922553 has 32 divisors (see below), whose sum is σ = 6193428480. Its totient is φ = 2521054800.

The previous prime is 3979922549. The next prime is 3979922567. The reversal of 3979922553 is 3552299793.

It is a happy number.

It is not a de Polignac number, because 3979922553 - 2² = 3979922549 is a prime.

It is a super-3 number, since 3×3979922553³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3979922553.

It is not an unprimeable number, because it can be changed into a prime (3979922053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72550 + ... + 114992.

It is an arithmetic number, because the mean of its divisors is an integer number (193544640).

Almost surely, 2^3979922553 is an apocalyptic number.

It is an amenable number.

3979922553 is a deficient number, since it is larger than the sum of its proper divisors (2213505927).

3979922553 is a wasteful number, since it uses less digits than its factorization.

3979922553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42626 (or 42620 counting only the distinct ones).

The product of its digits is 4592700, while the sum is 54.

The square root of 3979922553 is about 63086.6273706243. The cubic root of 3979922553 is about 1584.7406824979.

The spelling of 3979922553 in words is "three billion, nine hundred seventy-nine million, nine hundred twenty-two thousand, five hundred fifty-three".