13472794557 has 12 divisors (see below), whose sum is σ = 20181470400. Its totient is φ = 8981862876.

The previous prime is 13472794523. The next prime is 13472794561. The reversal of 13472794557 is 75549727431.

13472794557 is a `hidden beast` number, since 13 + 4 + 7 + 2 + 79 + 4 + 557 = 666.

13472794557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13472794557 - 2²⁸ = 13204359101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13472794507) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 27721557 + ... + 27722042.

It is an arithmetic number, because the mean of its divisors is an integer number (1681789200).

Almost surely, 2^13472794557 is an apocalyptic number.

It is an amenable number.

13472794557 is a deficient number, since it is larger than the sum of its proper divisors (6708675843).

13472794557 is an frugal number, since it uses more digits than its factorization.

13472794557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55443614 (or 55443602 counting only the distinct ones).

The product of its digits is 7408800, while the sum is 54.

The spelling of 13472794557 in words is "thirteen billion, four hundred seventy-two million, seven hundred ninety-four thousand, five hundred fifty-seven".