18800000899 has 2 divisors, whose sum is σ = 18800000900. Its totient is φ = 18800000898.

The previous prime is 18800000873. The next prime is 18800000903. The reversal of 18800000899 is 99800000881.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18800000899 - 2³¹ = 16652517251 is a prime.

It is not a weakly prime, because it can be changed into another prime (18800000819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9400000449 + 9400000450.

It is an arithmetic number, because the mean of its divisors is an integer number (9400000450).

Almost surely, 2^18800000899 is an apocalyptic number.

18800000899 is a deficient number, since it is larger than the sum of its proper divisors (1).

18800000899 is an equidigital number, since it uses as much as digits as its factorization.

18800000899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 43.

The spelling of 18800000899 in words is "eighteen billion, eight hundred million, eight hundred ninety-nine", and thus it is an aban number.