9389916889 has 2 divisors, whose sum is σ = 9389916890. Its totient is φ = 9389916888.

The previous prime is 9389916881. The next prime is 9389916929. The reversal of 9389916889 is 9886199839.

9389916889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8684748864 + 705168025 = 93192^2 + 26555^2 .

It is a cyclic number.

It is not a de Polignac number, because 9389916889 - 2³ = 9389916881 is a prime.

It is not a weakly prime, because it can be changed into another prime (9389916881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4694958444 + 4694958445.

It is an arithmetic number, because the mean of its divisors is an integer number (4694958445).

Almost surely, 2^9389916889 is an apocalyptic number.

It is an amenable number.

9389916889 is a deficient number, since it is larger than the sum of its proper divisors (1).

9389916889 is an equidigital number, since it uses as much as digits as its factorization.

9389916889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60466176, while the sum is 70.

The square root of 9389916889 is about 96901.5835216329. The cubic root of 9389916889 is about 2109.6994165382.

The spelling of 9389916889 in words is "nine billion, three hundred eighty-nine million, nine hundred sixteen thousand, eight hundred eighty-nine".