18293043018 has 32 divisors (see below), whose sum is σ = 38835872064. Its totient is φ = 5724525312.

The previous prime is 18293043017. The next prime is 18293043019. The reversal of 18293043018 is 81034039281.

It is an interprime number because it is at equal distance from previous prime (18293043017) and next prime (18293043019).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18293043017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185380 + ... + 266367.

It is an arithmetic number, because the mean of its divisors is an integer number (1213621002).

Almost surely, 2^18293043018 is an apocalyptic number.

18293043018 is an abundant number, since it is smaller than the sum of its proper divisors (20542829046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18293043018 is a wasteful number, since it uses less digits than its factorization.

18293043018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452166.

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 18293043018 in words is "eighteen billion, two hundred ninety-three million, forty-three thousand, eighteen".