18900370068519 has 8 divisors (see below), whose sum is σ = 26013412567552. Its totient is φ = 12193787140920.

The previous prime is 18900370068511. The next prime is 18900370068551. The reversal of 18900370068519 is 91586007300981.

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

It is not a de Polignac number, because 18900370068519 - 2³ = 18900370068511 is a prime.

It is a super-2 number, since 2×18900370068519² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18900370068511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101614892749 + ... + 101614892934.

It is an arithmetic number, because the mean of its divisors is an integer number (3251676570944).

Almost surely, 2^{18900370068519} is an apocalyptic number.

18900370068519 is a deficient number, since it is larger than the sum of its proper divisors (7113042499033).

18900370068519 is a wasteful number, since it uses less digits than its factorization.

18900370068519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203229785717.

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 18900370068519 in words is "eighteen trillion, nine hundred billion, three hundred seventy million, sixty-eight thousand, five hundred nineteen".