9901583980 has 24 divisors (see below), whose sum is σ = 20984095440. Its totient is φ = 3924296640.

The previous prime is 9901583971. The next prime is 9901583987. The reversal of 9901583980 is 893851099.

9901583980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9901583987) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2268826 + ... + 2273185.

It is an arithmetic number, because the mean of its divisors is an integer number (874337310).

Almost surely, 2^9901583980 is an apocalyptic number.

It is an amenable number.

9901583980 is an abundant number, since it is smaller than the sum of its proper divisors (11082511460).

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

9901583980 is a wasteful number, since it uses less digits than its factorization.

9901583980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4542129 (or 4542127 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 52.

The square root of 9901583980 is about 99506.7031912926. The cubic root of 9901583980 is about 2147.3436803550.

The spelling of 9901583980 in words is "nine billion, nine hundred one million, five hundred eighty-three thousand, nine hundred eighty".