13291315894 has 16 divisors (see below), whose sum is σ = 20003132160. Its totient is φ = 6623637480.

The previous prime is 13291315889. The next prime is 13291315901. The reversal of 13291315894 is 49851319231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897877 + ... + 912559.

It is an arithmetic number, because the mean of its divisors is an integer number (1250195760).

Almost surely, 2^13291315894 is an apocalyptic number.

13291315894 is a deficient number, since it is larger than the sum of its proper divisors (6711816266).

13291315894 is a wasteful number, since it uses less digits than its factorization.

13291315894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16155.

The product of its digits is 233280, while the sum is 46.

The spelling of 13291315894 in words is "thirteen billion, two hundred ninety-one million, three hundred fifteen thousand, eight hundred ninety-four".