9884134942 has 16 divisors (see below), whose sum is σ = 16568529264. Its totient is φ = 4383208000.

The previous prime is 9884134927. The next prime is 9884134961. The reversal of 9884134942 is 2494314889.

It is a super-2 number, since 2×9884134942² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9884134942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5478109 + ... + 5479912.

It is an arithmetic number, because the mean of its divisors is an integer number (1035533079).

Almost surely, 2^9884134942 is an apocalyptic number.

9884134942 is a deficient number, since it is larger than the sum of its proper divisors (6684394322).

9884134942 is a wasteful number, since it uses less digits than its factorization.

9884134942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10958075.

The product of its digits is 1990656, while the sum is 52.

The square root of 9884134942 is about 99418.9868284726. The cubic root of 9884134942 is about 2146.0815552562.

The spelling of 9884134942 in words is "nine billion, eight hundred eighty-four million, one hundred thirty-four thousand, nine hundred forty-two".