13670397774 has 36 divisors (see below), whose sum is σ = 32556641208. Its totient is φ = 4142544120.

The previous prime is 13670397703. The next prime is 13670397787. The reversal of 13670397774 is 47779307631.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13670397774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3136114 + ... + 3140469.

Almost surely, 2^13670397774 is an apocalyptic number.

13670397774 is an abundant number, since it is smaller than the sum of its proper divisors (18886243434).

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

13670397774 is a wasteful number, since it uses less digits than its factorization.

13670397774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276613 (or 6276599 counting only the distinct ones).

The product of its (nonzero) digits is 4667544, while the sum is 54.

The spelling of 13670397774 in words is "thirteen billion, six hundred seventy million, three hundred ninety-seven thousand, seven hundred seventy-four".