18369589913803 has 2 divisors, whose sum is σ = 18369589913804. Its totient is φ = 18369589913802.

The previous prime is 18369589913789. The next prime is 18369589913813. The reversal of 18369589913803 is 30831998596381.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18369589913803 is a prime.

It is not a weakly prime, because it can be changed into another prime (18369589913813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9184794956901 + 9184794956902.

It is an arithmetic number, because the mean of its divisors is an integer number (9184794956902).

Almost surely, 2^{18369589913803} is an apocalyptic number.

18369589913803 is a deficient number, since it is larger than the sum of its proper divisors (1).

18369589913803 is an equidigital number, since it uses as much as digits as its factorization.

18369589913803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302330880, while the sum is 73.

The spelling of 18369589913803 in words is "eighteen trillion, three hundred sixty-nine billion, five hundred eighty-nine million, nine hundred thirteen thousand, eight hundred three".