4245285689 has 2 divisors, whose sum is σ = 4245285690. Its totient is φ = 4245285688.

The previous prime is 4245285643. The next prime is 4245285701. The reversal of 4245285689 is 9865825424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4232803600 + 12482089 = 65060^2 + 3533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4245285689 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4245285689.

It is not a weakly prime, because it can be changed into another prime (4245885689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122642844 + 2122642845.

It is an arithmetic number, because the mean of its divisors is an integer number (2122642845).

Almost surely, 2^4245285689 is an apocalyptic number.

It is an amenable number.

4245285689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4245285689 is an equidigital number, since it uses as much as digits as its factorization.

4245285689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5529600, while the sum is 53.

The square root of 4245285689 is about 65155.8569048094. The cubic root of 4245285689 is about 1619.2067560093.

The spelling of 4245285689 in words is "four billion, two hundred forty-five million, two hundred eighty-five thousand, six hundred eighty-nine".