18015094319 has 2 divisors, whose sum is σ = 18015094320. Its totient is φ = 18015094318.

The previous prime is 18015094271. The next prime is 18015094337. The reversal of 18015094319 is 91349051081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18015094319 - 2⁸ = 18015094063 is a prime.

It is a super-2 number, since 2×18015094319² (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 (18015094519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9007547159 + 9007547160.

It is an arithmetic number, because the mean of its divisors is an integer number (9007547160).

Almost surely, 2^18015094319 is an apocalyptic number.

18015094319 is a deficient number, since it is larger than the sum of its proper divisors (1).

18015094319 is an equidigital number, since it uses as much as digits as its factorization.

18015094319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 18015094319 in words is "eighteen billion, fifteen million, ninety-four thousand, three hundred nineteen".