53692856639 has 2 divisors, whose sum is σ = 53692856640. Its totient is φ = 53692856638.

The previous prime is 53692856587. The next prime is 53692856641. The reversal of 53692856639 is 93665829635.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53692856639 is a prime.

Together with 53692856641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53692856689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26846428319 + 26846428320.

It is an arithmetic number, because the mean of its divisors is an integer number (26846428320).

Almost surely, 2^53692856639 is an apocalyptic number.

53692856639 is a deficient number, since it is larger than the sum of its proper divisors (1).

53692856639 is an equidigital number, since it uses as much as digits as its factorization.

53692856639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62985600, while the sum is 62.

The spelling of 53692856639 in words is "fifty-three billion, six hundred ninety-two million, eight hundred fifty-six thousand, six hundred thirty-nine".