18836692592213 has 2 divisors, whose sum is σ = 18836692592214. Its totient is φ = 18836692592212.

The previous prime is 18836692592161. The next prime is 18836692592231. The reversal of 18836692592213 is 31229529663881.

Together with next prime (18836692592231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17314977910129 + 1521714682084 = 4161127^2 + 1233578^2 .

It is a cyclic number.

It is not a de Polignac number, because 18836692592213 - 2¹² = 18836692588117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18836692592213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18836692592513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9418346296106 + 9418346296107.

It is an arithmetic number, because the mean of its divisors is an integer number (9418346296107).

Almost surely, 2^{18836692592213} is an apocalyptic number.

It is an amenable number.

18836692592213 is a deficient number, since it is larger than the sum of its proper divisors (1).

18836692592213 is an equidigital number, since it uses as much as digits as its factorization.

18836692592213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67184640, while the sum is 65.

The spelling of 18836692592213 in words is "eighteen trillion, eight hundred thirty-six billion, six hundred ninety-two million, five hundred ninety-two thousand, two hundred thirteen".