13259023893 has 20 divisors (see below), whose sum is σ = 20102320480. Its totient is φ = 8707415112.

The previous prime is 13259023891. The next prime is 13259023927. The reversal of 13259023893 is 39832095231.

13259023893 is a `hidden beast` number, since 1 + 32 + 590 + 23 + 8 + 9 + 3 = 666.

It is not a de Polignac number, because 13259023893 - 2¹ = 13259023891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13259023891) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1216153 + ... + 1227006.

It is an arithmetic number, because the mean of its divisors is an integer number (1005116024).

Almost surely, 2^13259023893 is an apocalyptic number.

It is an amenable number.

13259023893 is a deficient number, since it is larger than the sum of its proper divisors (6843296587).

13259023893 is an equidigital number, since it uses as much as digits as its factorization.

13259023893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443238 (or 2443229 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 13259023893 in words is "thirteen billion, two hundred fifty-nine million, twenty-three thousand, eight hundred ninety-three".