13974099731 has 2 divisors, whose sum is σ = 13974099732. Its totient is φ = 13974099730.

The previous prime is 13974099707. The next prime is 13974099749. The reversal of 13974099731 is 13799047931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13974099731 - 2²² = 13969905427 is a prime.

It is a super-2 number, since 2×13974099731² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13974099131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6987049865 + 6987049866.

It is an arithmetic number, because the mean of its divisors is an integer number (6987049866).

Almost surely, 2^13974099731 is an apocalyptic number.

13974099731 is a deficient number, since it is larger than the sum of its proper divisors (1).

13974099731 is an equidigital number, since it uses as much as digits as its factorization.

13974099731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1285956, while the sum is 53.

The spelling of 13974099731 in words is "thirteen billion, nine hundred seventy-four million, ninety-nine thousand, seven hundred thirty-one".