25693108460 has 12 divisors (see below), whose sum is σ = 53955527808. Its totient is φ = 10277243376.

The previous prime is 25693108451. The next prime is 25693108471. The reversal of 25693108460 is 6480139652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642327692 + ... + 642327731.

It is an arithmetic number, because the mean of its divisors is an integer number (4496293984).

Almost surely, 2^25693108460 is an apocalyptic number.

25693108460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25693108460 is an abundant number, since it is smaller than the sum of its proper divisors (28262419348).

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

25693108460 is a wasteful number, since it uses less digits than its factorization.

25693108460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284655432 (or 1284655430 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 25693108460 in words is "twenty-five billion, six hundred ninety-three million, one hundred eight thousand, four hundred sixty".