13508041868 has 12 divisors (see below), whose sum is σ = 24883235160. Its totient is φ = 6398546112.

The previous prime is 13508041843. The next prime is 13508041871. The reversal of 13508041868 is 86814080531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88868621 + ... + 88868772.

It is an arithmetic number, because the mean of its divisors is an integer number (2073602930).

Almost surely, 2^13508041868 is an apocalyptic number.

It is an amenable number.

13508041868 is a deficient number, since it is larger than the sum of its proper divisors (11375193292).

13508041868 is a wasteful number, since it uses less digits than its factorization.

13508041868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177737416 (or 177737414 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 13508041868 in words is "thirteen billion, five hundred eight million, forty-one thousand, eight hundred sixty-eight".