25679393714 has 16 divisors (see below), whose sum is σ = 41572099800. Its totient is φ = 11826312960.

The previous prime is 25679393653. The next prime is 25679393737. The reversal of 25679393714 is 41739397652.

It can be written as a sum of positive squares in 4 ways, for example, as 22095336025 + 3584057689 = 148645^2 + 59867^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25679393714.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059239 + ... + 1083210.

Almost surely, 2^25679393714 is an apocalyptic number.

25679393714 is a deficient number, since it is larger than the sum of its proper divisors (15892706086).

25679393714 is a wasteful number, since it uses less digits than its factorization.

25679393714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142925.

The product of its digits is 8573040, while the sum is 56.

The spelling of 25679393714 in words is "twenty-five billion, six hundred seventy-nine million, three hundred ninety-three thousand, seven hundred fourteen".