25969025863 has 16 divisors (see below), whose sum is σ = 29635414272. Its totient is φ = 22525360000.

The previous prime is 25969025857. The next prime is 25969025881. The reversal of 25969025863 is 36852096952.

It is a happy number.

It is not a de Polignac number, because 25969025863 - 2²¹ = 25966928711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25969025813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26533 + ... + 229438.

It is an arithmetic number, because the mean of its divisors is an integer number (1852213392).

Almost surely, 2^25969025863 is an apocalyptic number.

25969025863 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25969025863 is a deficient number, since it is larger than the sum of its proper divisors (3666388409).

25969025863 is a wasteful number, since it uses less digits than its factorization.

25969025863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256406.

The product of its (nonzero) digits is 6998400, while the sum is 55.

The spelling of 25969025863 in words is "twenty-five billion, nine hundred sixty-nine million, twenty-five thousand, eight hundred sixty-three".