18044882519 has 2 divisors, whose sum is σ = 18044882520. Its totient is φ = 18044882518.

The previous prime is 18044882497. The next prime is 18044882617. The reversal of 18044882519 is 91528844081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18044882519 - 2¹⁶ = 18044816983 is a prime.

It is a super-2 number, since 2×18044882519² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18044872519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9022441259 + 9022441260.

It is an arithmetic number, because the mean of its divisors is an integer number (9022441260).

Almost surely, 2^18044882519 is an apocalyptic number.

18044882519 is a deficient number, since it is larger than the sum of its proper divisors (1).

18044882519 is an equidigital number, since it uses as much as digits as its factorization.

18044882519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 737280, while the sum is 50.

The spelling of 18044882519 in words is "eighteen billion, forty-four million, eight hundred eighty-two thousand, five hundred nineteen".