13983660279 has 12 divisors (see below), whose sum is σ = 20267561496. Its totient is φ = 9290621232.

The previous prime is 13983660277. The next prime is 13983660401. The reversal of 13983660279 is 97206638931.

13983660279 is a `hidden beast` number, since 1 + 3 + 9 + 8 + 366 + 0 + 279 = 666.

It is not a de Polignac number, because 13983660279 - 2¹ = 13983660277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13983660277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2648797 + ... + 2654070.

It is an arithmetic number, because the mean of its divisors is an integer number (1688963458).

Almost surely, 2^13983660279 is an apocalyptic number.

13983660279 is a deficient number, since it is larger than the sum of its proper divisors (6283901217).

13983660279 is a wasteful number, since it uses less digits than its factorization.

13983660279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303166 (or 5303163 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 13983660279 in words is "thirteen billion, nine hundred eighty-three million, six hundred sixty thousand, two hundred seventy-nine".