18064835779 has 2 divisors, whose sum is σ = 18064835780. Its totient is φ = 18064835778.

The previous prime is 18064835771. The next prime is 18064835801. The reversal of 18064835779 is 97753846081.

It is a weak prime.

It is an emirp because it is prime and its reverse (97753846081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18064835779 - 2³ = 18064835771 is a prime.

It is not a weakly prime, because it can be changed into another prime (18064835771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9032417889 + 9032417890.

It is an arithmetic number, because the mean of its divisors is an integer number (9032417890).

Almost surely, 2^18064835779 is an apocalyptic number.

18064835779 is a deficient number, since it is larger than the sum of its proper divisors (1).

18064835779 is an equidigital number, since it uses as much as digits as its factorization.

18064835779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 18064835779 in words is "eighteen billion, sixty-four million, eight hundred thirty-five thousand, seven hundred seventy-nine".