9664334669 has 8 divisors (see below), whose sum is σ = 10543783008. Its totient is φ = 8785031760.

The previous prime is 9664334663. The next prime is 9664334671.

It is a happy number.

9664334669 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9664334669 - 2⁴ = 9664334653 is a prime.

It is a super-2 number, since 2×9664334669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9664334663) 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 7 ways as a sum of consecutive naturals, for example, 139679 + ... + 197075.

It is an arithmetic number, because the mean of its divisors is an integer number (1317972876).

Almost surely, 2^9664334669 is an apocalyptic number.

It is an amenable number.

9664334669 is a deficient number, since it is larger than the sum of its proper divisors (879448339).

9664334669 is a wasteful number, since it uses less digits than its factorization.

9664334669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72715.

The product of its digits is 15116544, while the sum is 56.

The square root of 9664334669 is about 98307.3479908801. The cubic root of 9664334669 is about 2130.0541963478.

The spelling of 9664334669 in words is "nine billion, six hundred sixty-four million, three hundred thirty-four thousand, six hundred sixty-nine".