989159113 has 2 divisors, whose sum is σ = 989159114. Its totient is φ = 989159112.

The previous prime is 989159081. The next prime is 989159177. The reversal of 989159113 is 311951989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 918817344 + 70341769 = 30312^2 + 8387^2 .

It is a cyclic number.

It is not a de Polignac number, because 989159113 - 2⁵ = 989159081 is a prime.

It is not a weakly prime, because it can be changed into another prime (989151113) 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, 494579556 + 494579557.

It is an arithmetic number, because the mean of its divisors is an integer number (494579557).

Almost surely, 2^989159113 is an apocalyptic number.

It is an amenable number.

989159113 is a deficient number, since it is larger than the sum of its proper divisors (1).

989159113 is an equidigital number, since it uses as much as digits as its factorization.

989159113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 46.

The square root of 989159113 is about 31450.9000348162. The cubic root of 989159113 is about 996.3732334660.

The spelling of 989159113 in words is "nine hundred eighty-nine million, one hundred fifty-nine thousand, one hundred thirteen".