18372050719 has 8 divisors (see below), whose sum is σ = 20043383040. Its totient is φ = 16700909400.

The previous prime is 18372050701. The next prime is 18372050743. The reversal of 18372050719 is 91705027381.

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 18372050719 - 2⁵ = 18372050687 is a prime.

It is a super-2 number, since 2×18372050719² (a number of 21 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 (18372050219) 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, 217434 + ... + 289864.

It is an arithmetic number, because the mean of its divisors is an integer number (2505422880).

Almost surely, 2^18372050719 is an apocalyptic number.

18372050719 is a deficient number, since it is larger than the sum of its proper divisors (1671332321).

18372050719 is a wasteful number, since it uses less digits than its factorization.

18372050719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95501.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 18372050719 in words is "eighteen billion, three hundred seventy-two million, fifty thousand, seven hundred nineteen".