13581874794 has 32 divisors (see below), whose sum is σ = 27280995840. Its totient is φ = 4507776000.

The previous prime is 13581874751. The next prime is 13581874847. The reversal of 13581874794 is 49747818531.

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, 3287322 + ... + 3291450.

It is an arithmetic number, because the mean of its divisors is an integer number (852531120).

Almost surely, 2^13581874794 is an apocalyptic number.

13581874794 is an abundant number, since it is smaller than the sum of its proper divisors (13699121046).

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

13581874794 is a wasteful number, since it uses less digits than its factorization.

13581874794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6366.

The product of its digits is 6773760, while the sum is 57.

The spelling of 13581874794 in words is "thirteen billion, five hundred eighty-one million, eight hundred seventy-four thousand, seven hundred ninety-four".