9915849822 has 16 divisors (see below), whose sum is σ = 19835273232. Its totient is φ = 3304687680.

The previous prime is 9915849821. The next prime is 9915849829. The reversal of 9915849822 is 2289485199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9915849821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112129 + ... + 180012.

It is an arithmetic number, because the mean of its divisors is an integer number (1239704577).

Almost surely, 2^9915849822 is an apocalyptic number.

9915849822 is an abundant number, since it is smaller than the sum of its proper divisors (9919423410).

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

9915849822 is a wasteful number, since it uses less digits than its factorization.

9915849822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297803.

The product of its digits is 3732480, while the sum is 57.

The square root of 9915849822 is about 99578.3602094351. The cubic root of 9915849822 is about 2148.3744570312.

The spelling of 9915849822 in words is "nine billion, nine hundred fifteen million, eight hundred forty-nine thousand, eight hundred twenty-two".