18698136230 has 16 divisors (see below), whose sum is σ = 33687514224. Its totient is φ = 7472394720.

The previous prime is 18698136229. The next prime is 18698136241. The reversal of 18698136230 is 3263189681.

18698136230 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×18698136230² (a number of 21 digits) contains 22 as substring.

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, 846017 + ... + 867836.

It is an arithmetic number, because the mean of its divisors is an integer number (2105469639).

Almost surely, 2^18698136230 is an apocalyptic number.

18698136230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18698136230 is a deficient number, since it is larger than the sum of its proper divisors (14989377994).

18698136230 is a wasteful number, since it uses less digits than its factorization.

18698136230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714951.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 18698136230 in words is "eighteen billion, six hundred ninety-eight million, one hundred thirty-six thousand, two hundred thirty".