13928824531 has 2 divisors, whose sum is σ = 13928824532. Its totient is φ = 13928824530.

The previous prime is 13928824471. The next prime is 13928824549. The reversal of 13928824531 is 13542882931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13928824531 - 2²⁵ = 13895270099 is a prime.

It is a super-2 number, since 2×13928824531² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13928824561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6964412265 + 6964412266.

It is an arithmetic number, because the mean of its divisors is an integer number (6964412266).

Almost surely, 2^13928824531 is an apocalyptic number.

13928824531 is a deficient number, since it is larger than the sum of its proper divisors (1).

13928824531 is an equidigital number, since it uses as much as digits as its factorization.

13928824531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 46.

The spelling of 13928824531 in words is "thirteen billion, nine hundred twenty-eight million, eight hundred twenty-four thousand, five hundred thirty-one".