9219798636 has 24 divisors (see below), whose sum is σ = 21559340544. Its totient is φ = 3066626640.

The previous prime is 9219798611. The next prime is 9219798647. The reversal of 9219798636 is 6368979129.

9219798636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 9219798636.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 824160 + ... + 835271.

It is an arithmetic number, because the mean of its divisors is an integer number (898305856).

Almost surely, 2^9219798636 is an apocalyptic number.

It is an amenable number.

9219798636 is an abundant number, since it is smaller than the sum of its proper divisors (12339541908).

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

9219798636 is a wasteful number, since it uses less digits than its factorization.

9219798636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659901 (or 1659899 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 60.

The square root of 9219798636 is about 96019.7825242278. The cubic root of 9219798636 is about 2096.8811325876.

The spelling of 9219798636 in words is "nine billion, two hundred nineteen million, seven hundred ninety-eight thousand, six hundred thirty-six".