18900074315 has 8 divisors (see below), whose sum is σ = 22681891680. Its totient is φ = 15118857792.

The previous prime is 18900074299. The next prime is 18900074317. The reversal of 18900074315 is 51347000981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18900074315 - 2⁴ = 18900074299 is a prime.

It is a super-2 number, since 2×18900074315² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18900074317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77834 + ... + 209423.

It is an arithmetic number, because the mean of its divisors is an integer number (2835236460).

Almost surely, 2^18900074315 is an apocalyptic number.

18900074315 is a deficient number, since it is larger than the sum of its proper divisors (3781817365).

18900074315 is a wasteful number, since it uses less digits than its factorization.

18900074315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300421.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 18900074315 in words is "eighteen billion, nine hundred million, seventy-four thousand, three hundred fifteen".