25313806679 has 16 divisors (see below), whose sum is σ = 30591676416. Its totient is φ = 20485483200.

The previous prime is 25313806673. The next prime is 25313806699. The reversal of 25313806679 is 97660831352.

It is a de Polignac number, because none of the positive numbers 2^k-25313806679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25313806673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1413707 + ... + 1431500.

It is an arithmetic number, because the mean of its divisors is an integer number (1911979776).

Almost surely, 2^25313806679 is an apocalyptic number.

25313806679 is a deficient number, since it is larger than the sum of its proper divisors (5277869737).

25313806679 is a wasteful number, since it uses less digits than its factorization.

25313806679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845286.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 25313806679 in words is "twenty-five billion, three hundred thirteen million, eight hundred six thousand, six hundred seventy-nine".