636070850423 has 2 divisors, whose sum is σ = 636070850424. Its totient is φ = 636070850422.

The previous prime is 636070850419. The next prime is 636070850449. The reversal of 636070850423 is 324058070636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 636070850423 - 2² = 636070850419 is a prime.

It is a super-2 number, since 2×636070850423² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (636070850473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318035425211 + 318035425212.

It is an arithmetic number, because the mean of its divisors is an integer number (318035425212).

Almost surely, 2^636070850423 is an apocalyptic number.

636070850423 is a deficient number, since it is larger than the sum of its proper divisors (1).

636070850423 is an equidigital number, since it uses as much as digits as its factorization.

636070850423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 636070850423 in words is "six hundred thirty-six billion, seventy million, eight hundred fifty thousand, four hundred twenty-three".