9139359989 has 2 divisors, whose sum is σ = 9139359990. Its totient is φ = 9139359988.

The previous prime is 9139359937. The next prime is 9139360037. The reversal of 9139359989 is 9899539319.

9139359989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8527044964 + 612315025 = 92342^2 + 24745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9139359989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9139359389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4569679994 + 4569679995.

It is an arithmetic number, because the mean of its divisors is an integer number (4569679995).

Almost surely, 2^9139359989 is an apocalyptic number.

It is an amenable number.

9139359989 is a deficient number, since it is larger than the sum of its proper divisors (1).

9139359989 is an equidigital number, since it uses as much as digits as its factorization.

9139359989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21257640, while the sum is 65.

The square root of 9139359989 is about 95599.9999424686. Note that the first 4 decimals coincide. The cubic root of 9139359989 is about 2090.7651929016.

The spelling of 9139359989 in words is "nine billion, one hundred thirty-nine million, three hundred fifty-nine thousand, nine hundred eighty-nine".