13568784472 has 32 divisors (see below), whose sum is σ = 25718908320. Its totient is φ = 6710492160.

The previous prime is 13568784391. The next prime is 13568784491. The reversal of 13568784472 is 27448786531.

It is a super-2 number, since 2×13568784472² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1657333 + ... + 1665499.

It is an arithmetic number, because the mean of its divisors is an integer number (803715885).

Almost surely, 2^13568784472 is an apocalyptic number.

It is an amenable number.

13568784472 is a deficient number, since it is larger than the sum of its proper divisors (12150123848).

13568784472 is a wasteful number, since it uses less digits than its factorization.

13568784472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10411 (or 10407 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 55.

The spelling of 13568784472 in words is "thirteen billion, five hundred sixty-eight million, seven hundred eighty-four thousand, four hundred seventy-two".