25814412697 has 8 divisors (see below), whose sum is σ = 26530106240. Its totient is φ = 25103962800.

The previous prime is 25814412629. The next prime is 25814412713. The reversal of 25814412697 is 79621441852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25814412697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25814412697.

It is not an unprimeable number, because it can be changed into a prime (25814412097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1300929 + ... + 1320622.

It is an arithmetic number, because the mean of its divisors is an integer number (3316263280).

Almost surely, 2^25814412697 is an apocalyptic number.

It is an amenable number.

25814412697 is a deficient number, since it is larger than the sum of its proper divisors (715693543).

25814412697 is a wasteful number, since it uses less digits than its factorization.

25814412697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621823.

The product of its digits is 967680, while the sum is 49.

The spelling of 25814412697 in words is "twenty-five billion, eight hundred fourteen million, four hundred twelve thousand, six hundred ninety-seven".