25750763813 has 2 divisors, whose sum is σ = 25750763814. Its totient is φ = 25750763812.

The previous prime is 25750763807. The next prime is 25750763881. The reversal of 25750763813 is 31836705752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23526037924 + 2224725889 = 153382^2 + 47167^2 .

It is a cyclic number.

It is not a de Polignac number, because 25750763813 - 2²⁰ = 25749715237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25750765813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12875381906 + 12875381907.

It is an arithmetic number, because the mean of its divisors is an integer number (12875381907).

Almost surely, 2^25750763813 is an apocalyptic number.

It is an amenable number.

25750763813 is a deficient number, since it is larger than the sum of its proper divisors (1).

25750763813 is an equidigital number, since it uses as much as digits as its factorization.

25750763813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 25750763813 in words is "twenty-five billion, seven hundred fifty million, seven hundred sixty-three thousand, eight hundred thirteen".