9664632873 has 48 divisors (see below), whose sum is σ = 16415817600. Its totient is φ = 5364092160.

The previous prime is 9664632871. The next prime is 9664632877. The reversal of 9664632873 is 3782364669.

9664632873 is a `hidden beast` number, since 96 + 6 + 463 + 28 + 73 = 666.

It is not a de Polignac number, because 9664632873 - 2¹ = 9664632871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9664632871) 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 47 ways as a sum of consecutive naturals, for example, 583338 + ... + 599676.

It is an arithmetic number, because the mean of its divisors is an integer number (341996200).

Almost surely, 2^9664632873 is an apocalyptic number.

It is an amenable number.

9664632873 is a deficient number, since it is larger than the sum of its proper divisors (6751184727).

9664632873 is a wasteful number, since it uses less digits than its factorization.

9664632873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16622 (or 16619 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The square root of 9664632873 is about 98308.8646715036. The cubic root of 9664632873 is about 2130.0761045346.

The spelling of 9664632873 in words is "nine billion, six hundred sixty-four million, six hundred thirty-two thousand, eight hundred seventy-three".