18289310018 has 16 divisors (see below), whose sum is σ = 31385549184. Its totient is φ = 7830164160.

The previous prime is 18289310009. The next prime is 18289310029. The reversal of 18289310018 is 81001398281.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661943 + ... + 689018.

It is an arithmetic number, because the mean of its divisors is an integer number (1961596824).

Almost surely, 2^18289310018 is an apocalyptic number.

18289310018 is a deficient number, since it is larger than the sum of its proper divisors (13096239166).

18289310018 is a wasteful number, since it uses less digits than its factorization.

18289310018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351937.

The product of its (nonzero) digits is 27648, while the sum is 41.

The spelling of 18289310018 in words is "eighteen billion, two hundred eighty-nine million, three hundred ten thousand, eighteen".