4245018689 has 2 divisors, whose sum is σ = 4245018690. Its totient is φ = 4245018688.

The previous prime is 4245018653. The next prime is 4245018719. The reversal of 4245018689 is 9868105424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4227210289 + 17808400 = 65017^2 + 4220^2 .

It is a cyclic number.

It is not a de Polignac number, because 4245018689 - 2¹² = 4245014593 is a prime.

It is not a weakly prime, because it can be changed into another prime (4245018389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122509344 + 2122509345.

It is an arithmetic number, because the mean of its divisors is an integer number (2122509345).

Almost surely, 2^4245018689 is an apocalyptic number.

It is an amenable number.

4245018689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4245018689 is an equidigital number, since it uses as much as digits as its factorization.

4245018689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 4245018689 is about 65153.8079393676. The cubic root of 4245018689 is about 1619.1728095488.

The spelling of 4245018689 in words is "four billion, two hundred forty-five million, eighteen thousand, six hundred eighty-nine".