9930684750 has 128 divisors (see below), whose sum is σ = 28536827904. Its totient is φ = 2253139200.

The previous prime is 9930684719. The next prime is 9930684767. The reversal of 9930684750 is 574860399.

It is a junction number, because it is equal to n+sod(n) for n = 9930684693 and 9930684702.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 712347 + ... + 726153.

It is an arithmetic number, because the mean of its divisors is an integer number (222943968).

Almost surely, 2^9930684750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9930684750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14268413952).

9930684750 is an abundant number, since it is smaller than the sum of its proper divisors (18606143154).

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

9930684750 is a wasteful number, since it uses less digits than its factorization.

9930684750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13971 (or 13961 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 9930684750 is about 99652.8210840014. The cubic root of 9930684750 is about 2149.4453048921.

The spelling of 9930684750 in words is "nine billion, nine hundred thirty million, six hundred eighty-four thousand, seven hundred fifty".