9664448272 has 20 divisors (see below), whose sum is σ = 19042241040. Its totient is φ = 4750321568.

The previous prime is 9664448263. The next prime is 9664448279. The reversal of 9664448272 is 2728444669.

It is not an unprimeable number, because it can be changed into a prime (9664448279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5117938 + ... + 5119825.

It is an arithmetic number, because the mean of its divisors is an integer number (952112052).

Almost surely, 2^9664448272 is an apocalyptic number.

It is an amenable number.

9664448272 is a deficient number, since it is larger than the sum of its proper divisors (9377792768).

9664448272 is a wasteful number, since it uses less digits than its factorization.

9664448272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10237830 (or 10237824 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 52.

The square root of 9664448272 is about 98307.9257842418. The cubic root of 9664448272 is about 2130.0625424853.

The spelling of 9664448272 in words is "nine billion, six hundred sixty-four million, four hundred forty-eight thousand, two hundred seventy-two".