13475764640 has 48 divisors (see below), whose sum is σ = 34285460328. Its totient is φ = 4975666176.

The previous prime is 13475764637. The next prime is 13475764733. The reversal of 13475764640 is 4646757431.

13475764640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4629985936 + 8845778704 = 68044^2 + 94052^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3237287 + ... + 3241446.

Almost surely, 2^13475764640 is an apocalyptic number.

13475764640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13475764640 is an abundant number, since it is smaller than the sum of its proper divisors (20809695688).

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

13475764640 is a wasteful number, since it uses less digits than its factorization.

13475764640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6478761 (or 6478753 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 13475764640 in words is "thirteen billion, four hundred seventy-five million, seven hundred sixty-four thousand, six hundred forty".