25675765668653 has 2 divisors, whose sum is σ = 25675765668654. Its totient is φ = 25675765668652.

The previous prime is 25675765668647. The next prime is 25675765668659. The reversal of 25675765668653 is 35686656757652.

It is a balanced prime because it is at equal distance from previous prime (25675765668647) and next prime (25675765668659).

It can be written as a sum of positive squares in only one way, i.e., 22434602764324 + 3241162904329 = 4736518^2 + 1800323^2 .

It is a cyclic number.

It is not a de Polignac number, because 25675765668653 - 2⁶ = 25675765668589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25675765668659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12837882834326 + 12837882834327.

It is an arithmetic number, because the mean of its divisors is an integer number (12837882834327).

Almost surely, 2^{25675765668653} is an apocalyptic number.

It is an amenable number.

25675765668653 is a deficient number, since it is larger than the sum of its proper divisors (1).

25675765668653 is an equidigital number, since it uses as much as digits as its factorization.

25675765668653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720000, while the sum is 77.

The spelling of 25675765668653 in words is "twenty-five trillion, six hundred seventy-five billion, seven hundred sixty-five million, six hundred sixty-eight thousand, six hundred fifty-three".