6660030089 has 2 divisors, whose sum is σ = 6660030090. Its totient is φ = 6660030088.

The previous prime is 6660030077. The next prime is 6660030137. The reversal of 6660030089 is 9800300666.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6560190025 + 99840064 = 80995^2 + 9992^2 .

It is a cyclic number.

It is not a de Polignac number, because 6660030089 - 2²⁴ = 6643252873 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6660030889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3330015044 + 3330015045.

It is an arithmetic number, because the mean of its divisors is an integer number (3330015045).

Almost surely, 2^6660030089 is an apocalyptic number.

It is an amenable number.

6660030089 is a deficient number, since it is larger than the sum of its proper divisors (1).

6660030089 is an equidigital number, since it uses as much as digits as its factorization.

6660030089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 6660030089 is about 81609.0074011441. The cubic root of 6660030089 is about 1881.4473245424.

The spelling of 6660030089 in words is "six billion, six hundred sixty million, thirty thousand, eighty-nine".