18336869396203 has 2 divisors, whose sum is σ = 18336869396204. Its totient is φ = 18336869396202.

The previous prime is 18336869396179. The next prime is 18336869396213. The reversal of 18336869396203 is 30269396863381.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18336869396203 is a prime.

It is not a weakly prime, because it can be changed into another prime (18336869396213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9168434698101 + 9168434698102.

It is an arithmetic number, because the mean of its divisors is an integer number (9168434698102).

Almost surely, 2^{18336869396203} is an apocalyptic number.

18336869396203 is a deficient number, since it is larger than the sum of its proper divisors (1).

18336869396203 is an equidigital number, since it uses as much as digits as its factorization.

18336869396203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181398528, while the sum is 67.

The spelling of 18336869396203 in words is "eighteen trillion, three hundred thirty-six billion, eight hundred sixty-nine million, three hundred ninety-six thousand, two hundred three".