9465665648 has 40 divisors (see below), whose sum is σ = 18516320832. Its totient is φ = 4687458048.

The previous prime is 9465665639. The next prime is 9465665659. The reversal of 9465665648 is 8465665649.

It is a super-3 number, since 3×9465665648³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790361 + ... + 802247.

Almost surely, 2^9465665648 is an apocalyptic number.

It is an amenable number.

9465665648 is a deficient number, since it is larger than the sum of its proper divisors (9050655184).

9465665648 is a wasteful number, since it uses less digits than its factorization.

9465665648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12369 (or 12363 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 59.

The square root of 9465665648 is about 97291.6525093494. The cubic root of 9465665648 is about 2115.3572339293.

Subtracting from 9465665648 its reverse (8465665649), we obtain a palindrome (999999999).

The spelling of 9465665648 in words is "nine billion, four hundred sixty-five million, six hundred sixty-five thousand, six hundred forty-eight".