9829889089 has 2 divisors, whose sum is σ = 9829889090. Its totient is φ = 9829889088.

The previous prime is 9829889059. The next prime is 9829889093. The reversal of 9829889089 is 9809889289.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9337936689 + 491952400 = 96633^2 + 22180^2 .

It is an emirp because it is prime and its reverse (9809889289) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9829889089 - 2⁵ = 9829889057 is a prime.

It is not a weakly prime, because it can be changed into another prime (9829889059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4914944544 + 4914944545.

It is an arithmetic number, because the mean of its divisors is an integer number (4914944545).

Almost surely, 2^9829889089 is an apocalyptic number.

It is an amenable number.

9829889089 is a deficient number, since it is larger than the sum of its proper divisors (1).

9829889089 is an equidigital number, since it uses as much as digits as its factorization.

9829889089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53747712, while the sum is 70.

The square root of 9829889089 is about 99145.7971323041. The cubic root of 9829889089 is about 2142.1483280035.

The spelling of 9829889089 in words is "nine billion, eight hundred twenty-nine million, eight hundred eighty-nine thousand, eighty-nine".