9984644468 has 24 divisors (see below), whose sum is σ = 17851083264. Its totient is φ = 4884408800.

The previous prime is 9984644447. The next prime is 9984644473. The reversal of 9984644468 is 8644464899.

It is a self number, because there is not a number n which added to its sum of digits gives 9984644468.

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, 665813 + ... + 680643.

It is an arithmetic number, because the mean of its divisors is an integer number (743795136).

Almost surely, 2^9984644468 is an apocalyptic number.

It is an amenable number.

9984644468 is a deficient number, since it is larger than the sum of its proper divisors (7866438796).

9984644468 is a wasteful number, since it uses less digits than its factorization.

9984644468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18463 (or 18461 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 62.

The square root of 9984644468 is about 99923.1928433034. The cubic root of 9984644468 is about 2153.3313754121.

The spelling of 9984644468 in words is "nine billion, nine hundred eighty-four million, six hundred forty-four thousand, four hundred sixty-eight".