25497193095793 has 2 divisors, whose sum is σ = 25497193095794. Its totient is φ = 25497193095792.

The previous prime is 25497193095727. The next prime is 25497193095799. The reversal of 25497193095793 is 39759039179452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25210210034529 + 286983061264 = 5020977^2 + 535708^2 .

It is a cyclic number.

It is not a de Polignac number, because 25497193095793 - 2³³ = 25488603161201 is a prime.

It is not a weakly prime, because it can be changed into another prime (25497193095799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12748596547896 + 12748596547897.

It is an arithmetic number, because the mean of its divisors is an integer number (12748596547897).

Almost surely, 2^{25497193095793} is an apocalyptic number.

It is an amenable number.

25497193095793 is a deficient number, since it is larger than the sum of its proper divisors (1).

25497193095793 is an equidigital number, since it uses as much as digits as its factorization.

25497193095793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 578680200, while the sum is 73.

The spelling of 25497193095793 in words is "twenty-five trillion, four hundred ninety-seven billion, one hundred ninety-three million, ninety-five thousand, seven hundred ninety-three".