13926657931 has 2 divisors, whose sum is σ = 13926657932. Its totient is φ = 13926657930.

The previous prime is 13926657859. The next prime is 13926657959. The reversal of 13926657931 is 13975662931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13926657931 - 2²⁷ = 13792440203 is a prime.

It is a super-2 number, since 2×13926657931² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13926651931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6963328965 + 6963328966.

It is an arithmetic number, because the mean of its divisors is an integer number (6963328966).

Almost surely, 2^13926657931 is an apocalyptic number.

13926657931 is a deficient number, since it is larger than the sum of its proper divisors (1).

13926657931 is an equidigital number, since it uses as much as digits as its factorization.

13926657931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1837080, while the sum is 52.

The spelling of 13926657931 in words is "thirteen billion, nine hundred twenty-six million, six hundred fifty-seven thousand, nine hundred thirty-one".