18091676418719 has 2 divisors, whose sum is σ = 18091676418720. Its totient is φ = 18091676418718.

The previous prime is 18091676418649. The next prime is 18091676418763. The reversal of 18091676418719 is 91781467619081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18091676418719 - 2¹⁶ = 18091676353183 is a prime.

It is a super-2 number, since 2×18091676418719² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18091676418019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9045838209359 + 9045838209360.

It is an arithmetic number, because the mean of its divisors is an integer number (9045838209360).

Almost surely, 2^{18091676418719} is an apocalyptic number.

18091676418719 is a deficient number, since it is larger than the sum of its proper divisors (1).

18091676418719 is an equidigital number, since it uses as much as digits as its factorization.

18091676418719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36578304, while the sum is 68.

The spelling of 18091676418719 in words is "eighteen trillion, ninety-one billion, six hundred seventy-six million, four hundred eighteen thousand, seven hundred nineteen".