9989334042 has 32 divisors (see below), whose sum is σ = 21102766080. Its totient is φ = 3147424560.

The previous prime is 9989334029. The next prime is 9989334059. The reversal of 9989334042 is 2404339899.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616492 + ... + 632487.

It is an arithmetic number, because the mean of its divisors is an integer number (659461440).

Almost surely, 2^9989334042 is an apocalyptic number.

9989334042 is an abundant number, since it is smaller than the sum of its proper divisors (11113432038).

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

9989334042 is a wasteful number, since it uses less digits than its factorization.

9989334042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249058.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The square root of 9989334042 is about 99946.6559820788. The cubic root of 9989334042 is about 2153.6684472129.

The spelling of 9989334042 in words is "nine billion, nine hundred eighty-nine million, three hundred thirty-four thousand, forty-two".