18936322099 has 2 divisors, whose sum is σ = 18936322100. Its totient is φ = 18936322098.

The previous prime is 18936321997. The next prime is 18936322103. The reversal of 18936322099 is 99022363981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18936322099 - 2²³ = 18927933491 is a prime.

It is not a weakly prime, because it can be changed into another prime (18936322399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9468161049 + 9468161050.

It is an arithmetic number, because the mean of its divisors is an integer number (9468161050).

Almost surely, 2^18936322099 is an apocalyptic number.

18936322099 is a deficient number, since it is larger than the sum of its proper divisors (1).

18936322099 is an equidigital number, since it uses as much as digits as its factorization.

18936322099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 18936322099 in words is "eighteen billion, nine hundred thirty-six million, three hundred twenty-two thousand, ninety-nine".