18700545219 has 16 divisors (see below), whose sum is σ = 25546373664. Its totient is φ = 12160972800.

The previous prime is 18700545179. The next prime is 18700545251. The reversal of 18700545219 is 91254500781.

It is not a de Polignac number, because 18700545219 - 2¹⁷ = 18700414147 is a prime.

It is a super-2 number, since 2×18700545219² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18700545419) 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 15 ways as a sum of consecutive naturals, for example, 1360059 + ... + 1373739.

It is an arithmetic number, because the mean of its divisors is an integer number (1596648354).

Almost surely, 2^18700545219 is an apocalyptic number.

18700545219 is a deficient number, since it is larger than the sum of its proper divisors (6845828445).

18700545219 is a wasteful number, since it uses less digits than its factorization.

18700545219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24838.

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 18700545219 in words is "eighteen billion, seven hundred million, five hundred forty-five thousand, two hundred nineteen".