13397405954 has 8 divisors (see below), whose sum is σ = 20101645308. Its totient is φ = 6696857520.

The previous prime is 13397405947. The next prime is 13397405971. The reversal of 13397405954 is 45950479331.

It can be written as a sum of positive squares in 2 ways, for example, as 13391812729 + 5593225 = 115723^2 + 2365^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913637 + ... + 928184.

Almost surely, 2^13397405954 is an apocalyptic number.

13397405954 is a deficient number, since it is larger than the sum of its proper divisors (6704239354).

13397405954 is a wasteful number, since it uses less digits than its factorization.

13397405954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845460.

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 13397405954 in words is "thirteen billion, three hundred ninety-seven million, four hundred five thousand, nine hundred fifty-four".