18604012930 has 16 divisors (see below), whose sum is σ = 33490572984. Its totient is φ = 7440860800.

The previous prime is 18604012913. The next prime is 18604012943. The reversal of 18604012930 is 3921040681.

It can be written as a sum of positive squares in 4 ways, for example, as 16084073329 + 2519939601 = 126823^2 + 50199^2 .

It is a super-2 number, since 2×18604012930² (a number of 21 digits) contains 22 as substring.

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, 18264 + ... + 193756.

Almost surely, 2^18604012930 is an apocalyptic number.

18604012930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18604012930 is a deficient number, since it is larger than the sum of its proper divisors (14886560054).

18604012930 is a wasteful number, since it uses less digits than its factorization.

18604012930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186101.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 18604012930 in words is "eighteen billion, six hundred four million, twelve thousand, nine hundred thirty".