8245488689 has 2 divisors, whose sum is σ = 8245488690. Its totient is φ = 8245488688.

The previous prime is 8245488683. The next prime is 8245488709. The reversal of 8245488689 is 9868845428.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7993790464 + 251698225 = 89408^2 + 15865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8245488689 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8245488683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4122744344 + 4122744345.

It is an arithmetic number, because the mean of its divisors is an integer number (4122744345).

Almost surely, 2^8245488689 is an apocalyptic number.

It is an amenable number.

8245488689 is a deficient number, since it is larger than the sum of its proper divisors (1).

8245488689 is an equidigital number, since it uses as much as digits as its factorization.

8245488689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35389440, while the sum is 62.

The square root of 8245488689 is about 90804.6732773154. The cubic root of 8245488689 is about 2020.2516342569.

The spelling of 8245488689 in words is "eight billion, two hundred forty-five million, four hundred eighty-eight thousand, six hundred eighty-nine".