4318998989 has 2 divisors, whose sum is σ = 4318998990. Its totient is φ = 4318998988.

The previous prime is 4318998953. The next prime is 4318999021. The reversal of 4318998989 is 9898998134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4288285225 + 30713764 = 65485^2 + 5542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4318998989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4318997989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2159499494 + 2159499495.

It is an arithmetic number, because the mean of its divisors is an integer number (2159499495).

Almost surely, 2^4318998989 is an apocalyptic number.

It is an amenable number.

4318998989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4318998989 is an equidigital number, since it uses as much as digits as its factorization.

4318998989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40310784, while the sum is 68.

The square root of 4318998989 is about 65719.0915107627. The cubic root of 4318998989 is about 1628.5247657074.

The spelling of 4318998989 in words is "four billion, three hundred eighteen million, nine hundred ninety-eight thousand, nine hundred eighty-nine".