14380979931 has 24 divisors (see below), whose sum is σ = 21770405280. Its totient is φ = 9130404096.

The previous prime is 14380979927. The next prime is 14380979953. The reversal of 14380979931 is 13997908341.

It is a happy number.

14380979931 is a `hidden beast` number, since 1 + 438 + 0 + 97 + 99 + 31 = 666.

It is not a de Polignac number, because 14380979931 - 2² = 14380979927 is a prime.

It is a super-2 number, since 2×14380979931² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14380979531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104286 + ... + 199091.

It is an arithmetic number, because the mean of its divisors is an integer number (907100220).

Almost surely, 2^14380979931 is an apocalyptic number.

14380979931 is a deficient number, since it is larger than the sum of its proper divisors (7389425349).

14380979931 is a wasteful number, since it uses less digits than its factorization.

14380979931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303635 (or 303632 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 14380979931 in words is "fourteen billion, three hundred eighty million, nine hundred seventy-nine thousand, nine hundred thirty-one".