25969510319 has 2 divisors, whose sum is σ = 25969510320. Its totient is φ = 25969510318.

The previous prime is 25969510241. The next prime is 25969510349. The reversal of 25969510319 is 91301596952.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25969510319 is a prime.

It is a super-2 number, since 2×25969510319² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25969510349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12984755159 + 12984755160.

It is an arithmetic number, because the mean of its divisors is an integer number (12984755160).

Almost surely, 2^25969510319 is an apocalyptic number.

25969510319 is a deficient number, since it is larger than the sum of its proper divisors (1).

25969510319 is an equidigital number, since it uses as much as digits as its factorization.

25969510319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 656100, while the sum is 50.

The spelling of 25969510319 in words is "twenty-five billion, nine hundred sixty-nine million, five hundred ten thousand, three hundred nineteen".