13253873568 has 96 divisors (see below), whose sum is σ = 37493410752. Its totient is φ = 4075315200.

The previous prime is 13253873537. The next prime is 13253873573. The reversal of 13253873568 is 86537835231.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 13253873568.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2507088 + ... + 2512368.

It is an arithmetic number, because the mean of its divisors is an integer number (390556362).

Almost surely, 2^13253873568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13253873568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18746705376).

13253873568 is an abundant number, since it is smaller than the sum of its proper divisors (24239537184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13253873568 is a wasteful number, since it uses less digits than its factorization.

13253873568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7318 (or 7310 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 51.

The spelling of 13253873568 in words is "thirteen billion, two hundred fifty-three million, eight hundred seventy-three thousand, five hundred sixty-eight".