24995805697 has 2 divisors, whose sum is σ = 24995805698. Its totient is φ = 24995805696.

The previous prime is 24995805683. The next prime is 24995805713. The reversal of 24995805697 is 79650859942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23988124161 + 1007681536 = 154881^2 + 31744^2 .

It is a cyclic number.

It is not a de Polignac number, because 24995805697 - 2²⁷ = 24861587969 is a prime.

It is not a weakly prime, because it can be changed into another prime (24995805607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12497902848 + 12497902849.

It is an arithmetic number, because the mean of its divisors is an integer number (12497902849).

Almost surely, 2^24995805697 is an apocalyptic number.

It is an amenable number.

24995805697 is a deficient number, since it is larger than the sum of its proper divisors (1).

24995805697 is an equidigital number, since it uses as much as digits as its factorization.

24995805697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 64.

The spelling of 24995805697 in words is "twenty-four billion, nine hundred ninety-five million, eight hundred five thousand, six hundred ninety-seven".