25881659263 has 2 divisors, whose sum is σ = 25881659264. Its totient is φ = 25881659262.

The previous prime is 25881659201. The next prime is 25881659371. The reversal of 25881659263 is 36295618852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25881659263 - 2¹⁷ = 25881528191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25881059263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12940829631 + 12940829632.

It is an arithmetic number, because the mean of its divisors is an integer number (12940829632).

Almost surely, 2^25881659263 is an apocalyptic number.

25881659263 is a deficient number, since it is larger than the sum of its proper divisors (1).

25881659263 is an equidigital number, since it uses as much as digits as its factorization.

25881659263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6220800, while the sum is 55.

The spelling of 25881659263 in words is "twenty-five billion, eight hundred eighty-one million, six hundred fifty-nine thousand, two hundred sixty-three".