808112592689 has 2 divisors, whose sum is σ = 808112592690. Its totient is φ = 808112592688.

The previous prime is 808112592653. The next prime is 808112592719. The reversal of 808112592689 is 986295211808.

808112592689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 716364182689 + 91748410000 = 846383^2 + 302900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-808112592689 is a prime.

It is not a weakly prime, because it can be changed into another prime (808112592589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404056296344 + 404056296345.

It is an arithmetic number, because the mean of its divisors is an integer number (404056296345).

Almost surely, 2^808112592689 is an apocalyptic number.

It is an amenable number.

808112592689 is a deficient number, since it is larger than the sum of its proper divisors (1).

808112592689 is an equidigital number, since it uses as much as digits as its factorization.

808112592689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4976640, while the sum is 59.

The spelling of 808112592689 in words is "eight hundred eight billion, one hundred twelve million, five hundred ninety-two thousand, six hundred eighty-nine".