25938826259 has 8 divisors (see below), whose sum is σ = 26819816688. Its totient is φ = 25069661440.

The previous prime is 25938826237. The next prime is 25938826273. The reversal of 25938826259 is 95262883952.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25938826259 - 2³² = 21643858963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25938826198 and 25938826207.

It is not an unprimeable number, because it can be changed into a prime (25938826289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2951942 + ... + 2960715.

It is an arithmetic number, because the mean of its divisors is an integer number (3352477086).

Almost surely, 2^25938826259 is an apocalyptic number.

25938826259 is a deficient number, since it is larger than the sum of its proper divisors (880990429).

25938826259 is a wasteful number, since it uses less digits than its factorization.

25938826259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5912805.

The product of its digits is 18662400, while the sum is 59.

The spelling of 25938826259 in words is "twenty-five billion, nine hundred thirty-eight million, eight hundred twenty-six thousand, two hundred fifty-nine".