25648691922297 has 12 divisors (see below), whose sum is σ = 38325631608420. Its totient is φ = 16509502846368.

The previous prime is 25648691922281. The next prime is 25648691922311. The reversal of 25648691922297 is 79222919684652.

25648691922297 is a `hidden beast` number, since 2 + 56 + 48 + 69 + 192 + 2 + 297 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10736343476496 + 14912348445801 = 3276636^2 + 3861651^2 .

It is not a de Polignac number, because 25648691922297 - 2⁴ = 25648691922281 is a prime.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25648691920297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49135424878 + ... + 49135425399.

It is an arithmetic number, because the mean of its divisors is an integer number (3193802634035).

Almost surely, 2^{25648691922297} is an apocalyptic number.

It is an amenable number.

25648691922297 is a deficient number, since it is larger than the sum of its proper divisors (12676939686123).

25648691922297 is a wasteful number, since it uses less digits than its factorization.

25648691922297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98270850312 (or 98270850309 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 72.

The spelling of 25648691922297 in words is "twenty-five trillion, six hundred forty-eight billion, six hundred ninety-one million, nine hundred twenty-two thousand, two hundred ninety-seven".