18795264364369 has 2 divisors, whose sum is σ = 18795264364370. Its totient is φ = 18795264364368.

The previous prime is 18795264364343. The next prime is 18795264364391. The reversal of 18795264364369 is 96346346259781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10380072563344 + 8415191801025 = 3221812^2 + 2900895^2 .

It is an emirp because it is prime and its reverse (96346346259781) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18795264364369 - 2⁷ = 18795264364241 is a prime.

It is a super-2 number, since 2×18795264364369² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18795264364319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9397632182184 + 9397632182185.

It is an arithmetic number, because the mean of its divisors is an integer number (9397632182185).

Almost surely, 2^{18795264364369} is an apocalyptic number.

It is an amenable number.

18795264364369 is a deficient number, since it is larger than the sum of its proper divisors (1).

18795264364369 is an equidigital number, since it uses as much as digits as its factorization.

18795264364369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1410877440, while the sum is 73.

The spelling of 18795264364369 in words is "eighteen trillion, seven hundred ninety-five billion, two hundred sixty-four million, three hundred sixty-four thousand, three hundred sixty-nine".