18752794231 has 8 divisors (see below), whose sum is σ = 20007473904. Its totient is φ = 17514956160.

The previous prime is 18752794223. The next prime is 18752794237. The reversal of 18752794231 is 13249725781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18752794231 - 2³ = 18752794223 is a prime.

It is a super-2 number, since 2×18752794231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18752794237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4208100 + ... + 4212553.

It is an arithmetic number, because the mean of its divisors is an integer number (2500934238).

Almost surely, 2^18752794231 is an apocalyptic number.

18752794231 is a deficient number, since it is larger than the sum of its proper divisors (1254679673).

18752794231 is a wasteful number, since it uses less digits than its factorization.

18752794231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8420801.

The product of its digits is 846720, while the sum is 49.

The spelling of 18752794231 in words is "eighteen billion, seven hundred fifty-two million, seven hundred ninety-four thousand, two hundred thirty-one".