9960000989 has 2 divisors, whose sum is σ = 9960000990. Its totient is φ = 9960000988.

The previous prime is 9960000949. The next prime is 9960000997. The reversal of 9960000989 is 9890000699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9604980025 + 355020964 = 98005^2 + 18842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9960000989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9960000949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4980000494 + 4980000495.

It is an arithmetic number, because the mean of its divisors is an integer number (4980000495).

Almost surely, 2^9960000989 is an apocalyptic number.

It is an amenable number.

9960000989 is a deficient number, since it is larger than the sum of its proper divisors (1).

9960000989 is an equidigital number, since it uses as much as digits as its factorization.

9960000989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 50.

The square root of 9960000989 is about 99799.8045539168. The cubic root of 9960000989 is about 2151.5583430195.

The spelling of 9960000989 in words is "nine billion, nine hundred sixty million, nine hundred eighty-nine", and thus it is an aban number.