299118089 has 2 divisors, whose sum is σ = 299118090. Its totient is φ = 299118088.

The previous prime is 299118041. The next prime is 299118091. The reversal of 299118089 is 980811992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295564864 + 3553225 = 17192^2 + 1885^2 .

It is a cyclic number.

It is not a de Polignac number, because 299118089 - 2²⁴ = 282340873 is a prime.

Together with 299118091, 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 (299114089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149559044 + 149559045.

It is an arithmetic number, because the mean of its divisors is an integer number (149559045).

Almost surely, 2^299118089 is an apocalyptic number.

It is an amenable number.

299118089 is a deficient number, since it is larger than the sum of its proper divisors (1).

299118089 is an equidigital number, since it uses as much as digits as its factorization.

299118089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 47.

The square root of 299118089 is about 17295.0307603080. The cubic root of 299118089 is about 668.7763281451.

The spelling of 299118089 in words is "two hundred ninety-nine million, one hundred eighteen thousand, eighty-nine".