18663293034 has 12 divisors (see below), whose sum is σ = 40437134946. Its totient is φ = 6221097672.

The previous prime is 18663293009. The next prime is 18663293069. The reversal of 18663293034 is 43039236681.

18663293034 is a `hidden beast` number, since 1 + 8 + 6 + 632 + 9 + 3 + 0 + 3 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10097235225 + 8566057809 = 100485^2 + 92553^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 518424789 + ... + 518424824.

Almost surely, 2^18663293034 is an apocalyptic number.

18663293034 is an abundant number, since it is smaller than the sum of its proper divisors (21773841912).

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

18663293034 is a wasteful number, since it uses less digits than its factorization.

18663293034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036849621 (or 1036849618 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 18663293034 in words is "eighteen billion, six hundred sixty-three million, two hundred ninety-three thousand, thirty-four".