9959041992 has 64 divisors (see below), whose sum is σ = 25323984000. Its totient is φ = 3263293440.

The previous prime is 9959041943. The next prime is 9959041993. The reversal of 9959041992 is 2991409599.

9959041992 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 (9959041993) 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, 332517 + ... + 361227.

It is an arithmetic number, because the mean of its divisors is an integer number (395687250).

Almost surely, 2^9959041992 is an apocalyptic number.

It is an amenable number.

9959041992 is an abundant number, since it is smaller than the sum of its proper divisors (15364942008).

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

9959041992 is a wasteful number, since it uses less digits than its factorization.

9959041992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28966 (or 28962 counting only the distinct ones).

The product of its (nonzero) digits is 2361960, while the sum is 57.

The square root of 9959041992 is about 99794.9998346611. Note that the first 3 decimals coincide. The cubic root of 9959041992 is about 2151.4892866601.

The spelling of 9959041992 in words is "nine billion, nine hundred fifty-nine million, forty-one thousand, nine hundred ninety-two".