25935317713 has 2 divisors, whose sum is σ = 25935317714. Its totient is φ = 25935317712.

The previous prime is 25935317627. The next prime is 25935317717. The reversal of 25935317713 is 31771353952.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19007585424 + 6927732289 = 137868^2 + 83233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25935317713 is a prime.

It is not a weakly prime, because it can be changed into another prime (25935317717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12967658856 + 12967658857.

It is an arithmetic number, because the mean of its divisors is an integer number (12967658857).

Almost surely, 2^25935317713 is an apocalyptic number.

It is an amenable number.

25935317713 is a deficient number, since it is larger than the sum of its proper divisors (1).

25935317713 is an equidigital number, since it uses as much as digits as its factorization.

25935317713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 595350, while the sum is 46.

The spelling of 25935317713 in words is "twenty-five billion, nine hundred thirty-five million, three hundred seventeen thousand, seven hundred thirteen".