25913258688 has 56 divisors (see below), whose sum is σ = 69388256448. Its totient is φ = 8533678336.

The previous prime is 25913258681. The next prime is 25913258711. The reversal of 25913258688 is 88685231952.

It is not an unprimeable number, because it can be changed into a prime (25913258681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797106 + ... + 828977.

It is an arithmetic number, because the mean of its divisors is an integer number (1239076008).

Almost surely, 2^25913258688 is an apocalyptic number.

It is an amenable number.

25913258688 is an abundant number, since it is smaller than the sum of its proper divisors (43474997760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25913258688 is a wasteful number, since it uses less digits than its factorization.

25913258688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626181 (or 1626171 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 57.

The spelling of 25913258688 in words is "twenty-five billion, nine hundred thirteen million, two hundred fifty-eight thousand, six hundred eighty-eight".