18000075090079 has 2 divisors, whose sum is σ = 18000075090080. Its totient is φ = 18000075090078.

The previous prime is 18000075090073. The next prime is 18000075090103. The reversal of 18000075090079 is 97009057000081.

It is a weak prime.

It is an emirp because it is prime and its reverse (97009057000081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18000075090079 - 2⁷ = 18000075089951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18000075090073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9000037545039 + 9000037545040.

It is an arithmetic number, because the mean of its divisors is an integer number (9000037545040).

Almost surely, 2^{18000075090079} is an apocalyptic number.

18000075090079 is a deficient number, since it is larger than the sum of its proper divisors (1).

18000075090079 is an equidigital number, since it uses as much as digits as its factorization.

18000075090079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 46.

The spelling of 18000075090079 in words is "eighteen trillion, seventy-five million, ninety thousand, seventy-nine".