8618030489 has 2 divisors, whose sum is σ = 8618030490. Its totient is φ = 8618030488.

The previous prime is 8618030429. The next prime is 8618030513. The reversal of 8618030489 is 9840308168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5392699225 + 3225331264 = 73435^2 + 56792^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8618030489 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 (8618030429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4309015244 + 4309015245.

It is an arithmetic number, because the mean of its divisors is an integer number (4309015245).

Almost surely, 2^8618030489 is an apocalyptic number.

It is an amenable number.

8618030489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8618030489 is an equidigital number, since it uses as much as digits as its factorization.

8618030489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 8618030489 is about 92833.3479359653. The cubic root of 8618030489 is about 2050.2304312855.

The spelling of 8618030489 in words is "eight billion, six hundred eighteen million, thirty thousand, four hundred eighty-nine".