18334889299 has 2 divisors, whose sum is σ = 18334889300. Its totient is φ = 18334889298.

The previous prime is 18334889281. The next prime is 18334889303. The reversal of 18334889299 is 99298843381.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18334889299 - 2²³ = 18326500691 is a prime.

It is a super-2 number, since 2×18334889299² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18334889299.

It is not a weakly prime, because it can be changed into another prime (18334889219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9167444649 + 9167444650.

It is an arithmetic number, because the mean of its divisors is an integer number (9167444650).

Almost surely, 2^18334889299 is an apocalyptic number.

18334889299 is a deficient number, since it is larger than the sum of its proper divisors (1).

18334889299 is an equidigital number, since it uses as much as digits as its factorization.

18334889299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26873856, while the sum is 64.

The spelling of 18334889299 in words is "eighteen billion, three hundred thirty-four million, eight hundred eighty-nine thousand, two hundred ninety-nine".