18738233233604 has 24 divisors (see below), whose sum is σ = 33189871266048. Its totient is φ = 9255432463200.

The previous prime is 18738233233579. The next prime is 18738233233627. The reversal of 18738233233604 is 40633233283781.

It is a super-2 number, since 2×18738233233604² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1391834 + ... + 6278030.

It is an arithmetic number, because the mean of its divisors is an integer number (1382911302752).

Almost surely, 2^{18738233233604} is an apocalyptic number.

It is an amenable number.

18738233233604 is a deficient number, since it is larger than the sum of its proper divisors (14451638032444).

18738233233604 is a wasteful number, since it uses less digits than its factorization.

18738233233604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4897835 (or 4897833 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 53.

The spelling of 18738233233604 in words is "eighteen trillion, seven hundred thirty-eight billion, two hundred thirty-three million, two hundred thirty-three thousand, six hundred four".