25895802263 has 2 divisors, whose sum is σ = 25895802264. Its totient is φ = 25895802262.

The previous prime is 25895802209. The next prime is 25895802269. The reversal of 25895802263 is 36220859852.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25895802263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25895802269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12947901131 + 12947901132.

It is an arithmetic number, because the mean of its divisors is an integer number (12947901132).

Almost surely, 2^25895802263 is an apocalyptic number.

25895802263 is a deficient number, since it is larger than the sum of its proper divisors (1).

25895802263 is an equidigital number, since it uses as much as digits as its factorization.

25895802263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 25895802263 in words is "twenty-five billion, eight hundred ninety-five million, eight hundred two thousand, two hundred sixty-three".