25765386263 has 2 divisors, whose sum is σ = 25765386264. Its totient is φ = 25765386262.

The previous prime is 25765386253. The next prime is 25765386271. The reversal of 25765386263 is 36268356752.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25765386263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25765386233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12882693131 + 12882693132.

It is an arithmetic number, because the mean of its divisors is an integer number (12882693132).

Almost surely, 2^25765386263 is an apocalyptic number.

25765386263 is a deficient number, since it is larger than the sum of its proper divisors (1).

25765386263 is an equidigital number, since it uses as much as digits as its factorization.

25765386263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 53.

The spelling of 25765386263 in words is "twenty-five billion, seven hundred sixty-five million, three hundred eighty-six thousand, two hundred sixty-three".