Multipling 9996980000 by its sum of digits (50), we get a square (499849000000 = 7070002).
9996980000 divided by its sum of digits (50) gives a square (199939600 = 141402).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=70700.
It is an unprimeable number.
Almost surely, 29996980000 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 9996980000
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9996980000 is an equidigital number, since it uses as much as digits as its factorization.
9996980000 is an evil number, because the sum of its binary digits is even.
The square root of 9996980000 is about 99984.8988597778. The cubic root of 9996980000 is about 2154.2177884369.
The spelling of 9996980000 in words is "nine billion, nine hundred ninety-six million, nine hundred eighty thousand".