9989125013 has 8 divisors (see below), whose sum is σ = 12087680832. Its totient is φ = 8058453696.

The previous prime is 9989125001. The next prime is 9989125031. The reversal of 9989125013 is 3105219899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9989125013 - 2²⁸ = 9720689557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9989125033) 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 in 7 ways as a sum of consecutive naturals, for example, 41970995 + ... + 41971232.

It is an arithmetic number, because the mean of its divisors is an integer number (1510960104).

Almost surely, 2^9989125013 is an apocalyptic number.

It is an amenable number.

9989125013 is a deficient number, since it is larger than the sum of its proper divisors (2098555819).

9989125013 is a wasteful number, since it uses less digits than its factorization.

9989125013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83942251.

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 9989125013 is about 99945.6102737884. The cubic root of 9989125013 is about 2153.6534251137.

The spelling of 9989125013 in words is "nine billion, nine hundred eighty-nine million, one hundred twenty-five thousand, thirteen".