13775724372 has 24 divisors (see below), whose sum is σ = 32172529536. Its totient is φ = 4587740608.

The previous prime is 13775724353. The next prime is 13775724383. The reversal of 13775724372 is 27342757731.

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, 507153 + ... + 533624.

It is an arithmetic number, because the mean of its divisors is an integer number (1340522064).

Almost surely, 2^13775724372 is an apocalyptic number.

13775724372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13775724372 is an abundant number, since it is smaller than the sum of its proper divisors (18396805164).

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

13775724372 is a wasteful number, since it uses less digits than its factorization.

13775724372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041887 (or 1041885 counting only the distinct ones).

The product of its digits is 1728720, while the sum is 48.

The spelling of 13775724372 in words is "thirteen billion, seven hundred seventy-five million, seven hundred twenty-four thousand, three hundred seventy-two".