18832072319 has 16 divisors (see below), whose sum is σ = 20716819200. Its totient is φ = 17039062656.

The previous prime is 18832072309. The next prime is 18832072327. The reversal of 18832072319 is 91327023881.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18832072319 is a prime.

It is a super-2 number, since 2×18832072319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18832072319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18832072309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255287 + ... + 320679.

It is an arithmetic number, because the mean of its divisors is an integer number (1294801200).

Almost surely, 2^18832072319 is an apocalyptic number.

18832072319 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

18832072319 is a deficient number, since it is larger than the sum of its proper divisors (1884746881).

18832072319 is a wasteful number, since it uses less digits than its factorization.

18832072319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66094.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 18832072319 in words is "eighteen billion, eight hundred thirty-two million, seventy-two thousand, three hundred nineteen".