18350599199 has 2 divisors, whose sum is σ = 18350599200. Its totient is φ = 18350599198.

The previous prime is 18350599177. The next prime is 18350599277. The reversal of 18350599199 is 99199505381.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18350599199 - 2²⁰ = 18349550623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18350590199) 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, 9175299599 + 9175299600.

It is an arithmetic number, because the mean of its divisors is an integer number (9175299600).

Almost surely, 2^18350599199 is an apocalyptic number.

18350599199 is a deficient number, since it is larger than the sum of its proper divisors (1).

18350599199 is an equidigital number, since it uses as much as digits as its factorization.

18350599199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3936600, while the sum is 59.

The spelling of 18350599199 in words is "eighteen billion, three hundred fifty million, five hundred ninety-nine thousand, one hundred ninety-nine".