18091676418019 has 2 divisors, whose sum is σ = 18091676418020. Its totient is φ = 18091676418018.

The previous prime is 18091676418001. The next prime is 18091676418097. The reversal of 18091676418019 is 91081467619081.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18091676418019 is a prime.

It is a super-2 number, since 2×18091676418019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18091676418719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9045838209009 + 9045838209010.

It is an arithmetic number, because the mean of its divisors is an integer number (9045838209010).

Almost surely, 2^{18091676418019} is an apocalyptic number.

18091676418019 is a deficient number, since it is larger than the sum of its proper divisors (1).

18091676418019 is an equidigital number, since it uses as much as digits as its factorization.

18091676418019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 61.

The spelling of 18091676418019 in words is "eighteen trillion, ninety-one billion, six hundred seventy-six million, four hundred eighteen thousand, nineteen".