8118008489 has 2 divisors, whose sum is σ = 8118008490. Its totient is φ = 8118008488.

The previous prime is 8118008467. The next prime is 8118008491. The reversal of 8118008489 is 9848008118.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5705234089 + 2412774400 = 75533^2 + 49120^2 .

It is a cyclic number.

It is not a de Polignac number, because 8118008489 - 2²⁰ = 8116959913 is a prime.

Together with 8118008491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8118058489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4059004244 + 4059004245.

It is an arithmetic number, because the mean of its divisors is an integer number (4059004245).

Almost surely, 2^8118008489 is an apocalyptic number.

It is an amenable number.

8118008489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8118008489 is an equidigital number, since it uses as much as digits as its factorization.

8118008489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 47.

The square root of 8118008489 is about 90099.9916148720. The cubic root of 8118008489 is about 2009.7860789802.

The spelling of 8118008489 in words is "eight billion, one hundred eighteen million, eight thousand, four hundred eighty-nine".