25193074797 has 12 divisors (see below), whose sum is σ = 39698178624. Its totient is φ = 15268530120.

The previous prime is 25193074763. The next prime is 25193074801. The reversal of 25193074797 is 79747039152.

25193074797 is a `hidden beast` number, since 2 + 519 + 30 + 7 + 4 + 7 + 97 = 666.

It is not a de Polignac number, because 25193074797 - 2⁶ = 25193074733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25193074727) 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, 127237653 + ... + 127237850.

It is an arithmetic number, because the mean of its divisors is an integer number (3308181552).

Almost surely, 2^25193074797 is an apocalyptic number.

It is an amenable number.

25193074797 is a deficient number, since it is larger than the sum of its proper divisors (14505103827).

25193074797 is a wasteful number, since it uses less digits than its factorization.

25193074797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254475520 (or 254475517 counting only the distinct ones).

The product of its (nonzero) digits is 3333960, while the sum is 54.

The spelling of 25193074797 in words is "twenty-five billion, one hundred ninety-three million, seventy-four thousand, seven hundred ninety-seven".