18913710292 has 6 divisors (see below), whose sum is σ = 33098993018. Its totient is φ = 9456855144.

The previous prime is 18913710289. The next prime is 18913710301. The reversal of 18913710292 is 29201731981.

It can be written as a sum of positive squares in only one way, i.e., 15763806916 + 3149903376 = 125554^2 + 56124^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2364213783 + ... + 2364213790.

Almost surely, 2^18913710292 is an apocalyptic number.

It is an amenable number.

18913710292 is a deficient number, since it is larger than the sum of its proper divisors (14185282726).

18913710292 is a wasteful number, since it uses less digits than its factorization.

18913710292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728427577 (or 4728427575 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 43.

The spelling of 18913710292 in words is "eighteen billion, nine hundred thirteen million, seven hundred ten thousand, two hundred ninety-two".