13747404775 has 12 divisors (see below), whose sum is σ = 18358073272. Its totient is φ = 10151929440.

The previous prime is 13747404767. The next prime is 13747404821. The reversal of 13747404775 is 57740474731.

It is not a de Polignac number, because 13747404775 - 2³ = 13747404767 is a prime.

It is a super-2 number, since 2×13747404775² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21149529 + ... + 21150178.

Almost surely, 2^13747404775 is an apocalyptic number.

13747404775 is a deficient number, since it is larger than the sum of its proper divisors (4610668497).

13747404775 is a wasteful number, since it uses less digits than its factorization.

13747404775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42299730 (or 42299725 counting only the distinct ones).

The product of its (nonzero) digits is 2304960, while the sum is 49.

The spelling of 13747404775 in words is "thirteen billion, seven hundred forty-seven million, four hundred four thousand, seven hundred seventy-five".