25925823139 has 2 divisors, whose sum is σ = 25925823140. Its totient is φ = 25925823138.

The previous prime is 25925823101. The next prime is 25925823181. The reversal of 25925823139 is 93132852952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25925823139 - 2¹⁹ = 25925298851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25925823092 and 25925823101.

It is not a weakly prime, because it can be changed into another prime (25925820139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12962911569 + 12962911570.

It is an arithmetic number, because the mean of its divisors is an integer number (12962911570).

Almost surely, 2^25925823139 is an apocalyptic number.

25925823139 is a deficient number, since it is larger than the sum of its proper divisors (1).

25925823139 is an equidigital number, since it uses as much as digits as its factorization.

25925823139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 49.

The spelling of 25925823139 in words is "twenty-five billion, nine hundred twenty-five million, eight hundred twenty-three thousand, one hundred thirty-nine".