263125626116393 has 2 divisors, whose sum is σ = 263125626116394. Its totient is φ = 263125626116392.

The previous prime is 263125626116383. The next prime is 263125626116473. The reversal of 263125626116393 is 393611626521362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263042726462464 + 82899653929 = 16218592^2 + 287923^2 .

It is a cyclic number.

It is not a de Polignac number, because 263125626116393 - 2⁶ = 263125626116329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (263125626116333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131562813058196 + 131562813058197.

It is an arithmetic number, because the mean of its divisors is an integer number (131562813058197).

Almost surely, 2^{263125626116393} is an apocalyptic number.

It is an amenable number.

263125626116393 is a deficient number, since it is larger than the sum of its proper divisors (1).

263125626116393 is an equidigital number, since it uses as much as digits as its factorization.

263125626116393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12597120, while the sum is 56.

The spelling of 263125626116393 in words is "two hundred sixty-three trillion, one hundred twenty-five billion, six hundred twenty-six million, one hundred sixteen thousand, three hundred ninety-three".