18334186799 has 2 divisors, whose sum is σ = 18334186800. Its totient is φ = 18334186798.

The previous prime is 18334186751. The next prime is 18334186813. The reversal of 18334186799 is 99768143381.

It is a strong prime.

It is an emirp because it is prime and its reverse (99768143381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18334186799 - 2¹⁶ = 18334121263 is a prime.

It is a super-2 number, since 2×18334186799² (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 (18334186399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9167093399 + 9167093400.

It is an arithmetic number, because the mean of its divisors is an integer number (9167093400).

Almost surely, 2^18334186799 is an apocalyptic number.

18334186799 is a deficient number, since it is larger than the sum of its proper divisors (1).

18334186799 is an equidigital number, since it uses as much as digits as its factorization.

18334186799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 59.

The spelling of 18334186799 in words is "eighteen billion, three hundred thirty-four million, one hundred eighty-six thousand, seven hundred ninety-nine".