9989673152 has 56 divisors (see below), whose sum is σ = 20524622400. Its totient is φ = 4818415616.

The previous prime is 9989673119. The next prime is 9989673203. The reversal of 9989673152 is 2513769899.

It is a junction number, because it is equal to n+sod(n) for n = 9989673091 and 9989673100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3827624 + ... + 3830232.

Almost surely, 2^9989673152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9989673152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10262311200).

9989673152 is an abundant number, since it is smaller than the sum of its proper divisors (10534949248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9989673152 is a wasteful number, since it uses less digits than its factorization.

9989673152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713 (or 4703 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 59.

The square root of 9989673152 is about 99948.3524226388. The cubic root of 9989673152 is about 2153.6928172807.

The spelling of 9989673152 in words is "nine billion, nine hundred eighty-nine million, six hundred seventy-three thousand, one hundred fifty-two".