25739679179 has 2 divisors, whose sum is σ = 25739679180. Its totient is φ = 25739679178.

The previous prime is 25739679167. The next prime is 25739679181. The reversal of 25739679179 is 97197693752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25739679179 - 2¹⁶ = 25739613643 is a prime.

It is a super-2 number, since 2×25739679179² (a number of 22 digits) contains 22 as substring.

Together with 25739679181, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25739679479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12869839589 + 12869839590.

It is an arithmetic number, because the mean of its divisors is an integer number (12869839590).

Almost surely, 2^25739679179 is an apocalyptic number.

25739679179 is a deficient number, since it is larger than the sum of its proper divisors (1).

25739679179 is an equidigital number, since it uses as much as digits as its factorization.

25739679179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45008460, while the sum is 65.

The spelling of 25739679179 in words is "twenty-five billion, seven hundred thirty-nine million, six hundred seventy-nine thousand, one hundred seventy-nine".