9936129368 has 64 divisors (see below), whose sum is σ = 20937312000. Its totient is φ = 4381534080.

The previous prime is 9936129347. The next prime is 9936129377. The reversal of 9936129368 is 8639216399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555005 + ... + 572627.

It is an arithmetic number, because the mean of its divisors is an integer number (327145500).

Almost surely, 2^9936129368 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 9936129368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10468656000).

9936129368 is an abundant number, since it is smaller than the sum of its proper divisors (11001182632).

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

9936129368 is a wasteful number, since it uses less digits than its factorization.

9936129368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17832 (or 17828 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 56.

The square root of 9936129368 is about 99680.1352727814. The cubic root of 9936129368 is about 2149.8380529180.

The spelling of 9936129368 in words is "nine billion, nine hundred thirty-six million, one hundred twenty-nine thousand, three hundred sixty-eight".