53692856689 has 2 divisors, whose sum is σ = 53692856690. Its totient is φ = 53692856688.

The previous prime is 53692856663. The next prime is 53692856699. The reversal of 53692856689 is 98665829635.

53692856689 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., 41571947664 + 12120909025 = 203892^2 + 110095^2 .

It is a cyclic number.

It is not a de Polignac number, because 53692856689 - 2²³ = 53684468081 is a prime.

It is not a weakly prime, because it can be changed into another prime (53692856639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26846428344 + 26846428345.

It is an arithmetic number, because the mean of its divisors is an integer number (26846428345).

Almost surely, 2^53692856689 is an apocalyptic number.

It is an amenable number.

53692856689 is a deficient number, since it is larger than the sum of its proper divisors (1).

53692856689 is an equidigital number, since it uses as much as digits as its factorization.

53692856689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 167961600, while the sum is 67.

The spelling of 53692856689 in words is "fifty-three billion, six hundred ninety-two million, eight hundred fifty-six thousand, six hundred eighty-nine".