25363423235453 has 2 divisors, whose sum is σ = 25363423235454. Its totient is φ = 25363423235452.

The previous prime is 25363423235413. The next prime is 25363423235461. The reversal of 25363423235453 is 35453232436352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18206631887929 + 7156791347524 = 4266923^2 + 2675218^2 .

It is a cyclic number.

It is not a de Polignac number, because 25363423235453 - 2⁸ = 25363423235197 is a prime.

It is a super-2 number, since 2×25363423235453² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25363423235413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12681711617726 + 12681711617727.

It is an arithmetic number, because the mean of its divisors is an integer number (12681711617727).

Almost surely, 2^{25363423235453} is an apocalyptic number.

It is an amenable number.

25363423235453 is a deficient number, since it is larger than the sum of its proper divisors (1).

25363423235453 is an equidigital number, since it uses as much as digits as its factorization.

25363423235453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328000, while the sum is 50.

The spelling of 25363423235453 in words is "twenty-five trillion, three hundred sixty-three billion, four hundred twenty-three million, two hundred thirty-five thousand, four hundred fifty-three".