18718703350 has 12 divisors (see below), whose sum is σ = 34816788324. Its totient is φ = 7487481320.

The previous prime is 18718703323. The next prime is 18718703359. The reversal of 18718703350 is 5330781781.

It is a junction number, because it is equal to n+sod(n) for n = 18718703297 and 18718703306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18718703359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187186984 + ... + 187187083.

It is an arithmetic number, because the mean of its divisors is an integer number (2901399027).

Almost surely, 2^18718703350 is an apocalyptic number.

18718703350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18718703350 is a deficient number, since it is larger than the sum of its proper divisors (16098084974).

18718703350 is a wasteful number, since it uses less digits than its factorization.

18718703350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374374079 (or 374374074 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 18718703350 in words is "eighteen billion, seven hundred eighteen million, seven hundred three thousand, three hundred fifty".