1373909792 has 12 divisors (see below), whose sum is σ = 2704884966. Its totient is φ = 686954880.

The previous prime is 1373909783. The next prime is 1373909819. The reversal of 1373909792 is 2979093731.

It can be written as a sum of positive squares in only one way, i.e., 1145416336 + 228493456 = 33844^2 + 15116^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1373909792.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21467309 + ... + 21467372.

Almost surely, 2^1373909792 is an apocalyptic number.

It is an amenable number.

1373909792 is a deficient number, since it is larger than the sum of its proper divisors (1330975174).

1373909792 is an equidigital number, since it uses as much as digits as its factorization.

1373909792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42934691 (or 42934683 counting only the distinct ones).

The product of its (nonzero) digits is 642978, while the sum is 50.

The square root of 1373909792 is about 37066.2891587491. The cubic root of 1373909792 is about 1111.6960765606.

The spelling of 1373909792 in words is "one billion, three hundred seventy-three million, nine hundred nine thousand, seven hundred ninety-two".