9989928801 has 16 divisors (see below), whose sum is σ = 14866270720. Its totient is φ = 6630083280.

The previous prime is 9989928791. The next prime is 9989928827. The reversal of 9989928801 is 1088299899.

9989928801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9989928801 - 2⁷ = 9989928673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9989924801) 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 15 ways as a sum of consecutive naturals, for example, 823570 + ... + 835611.

It is an arithmetic number, because the mean of its divisors is an integer number (929141920).

Almost surely, 2^9989928801 is an apocalyptic number.

It is an amenable number.

9989928801 is a deficient number, since it is larger than the sum of its proper divisors (4876341919).

9989928801 is a wasteful number, since it uses less digits than its factorization.

9989928801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659413 (or 1659407 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 63.

The square root of 9989928801 is about 99949.6313199804. The cubic root of 9989928801 is about 2153.7111890769.

The spelling of 9989928801 in words is "nine billion, nine hundred eighty-nine million, nine hundred twenty-eight thousand, eight hundred one".