9983909670 has 128 divisors (see below), whose sum is σ = 29439590400. Its totient is φ = 2115891072.

The previous prime is 9983909641. The next prime is 9983909743. The reversal of 9983909670 is 769093899.

9983909670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 in 63 ways as a sum of consecutive naturals, for example, 160911 + ... + 214149.

It is an arithmetic number, because the mean of its divisors is an integer number (229996800).

Almost surely, 2^9983909670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9983909670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14719795200).

9983909670 is an abundant number, since it is smaller than the sum of its proper divisors (19455680730).

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

9983909670 is a wasteful number, since it uses less digits than its factorization.

9983909670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53322.

The product of its (nonzero) digits is 6613488, while the sum is 60.

The square root of 9983909670 is about 99919.5159615978. The cubic root of 9983909670 is about 2153.2785508838.

The spelling of 9983909670 in words is "nine billion, nine hundred eighty-three million, nine hundred nine thousand, six hundred seventy".