9896604565 has 16 divisors (see below), whose sum is σ = 12401042688. Its totient is φ = 7567693056.

The previous prime is 9896604541. The next prime is 9896604581. The reversal of 9896604565 is 5654066989.

9896604565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9896604565 - 2²³ = 9888215957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136669 + ... + 196141.

It is an arithmetic number, because the mean of its divisors is an integer number (775065168).

Almost surely, 2^9896604565 is an apocalyptic number.

It is an amenable number.

9896604565 is a deficient number, since it is larger than the sum of its proper divisors (2504438123).

9896604565 is a wasteful number, since it uses less digits than its factorization.

9896604565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60948.

The product of its (nonzero) digits is 13996800, while the sum is 58.

The square root of 9896604565 is about 99481.6795445272. The cubic root of 9896604565 is about 2146.9836602396.

The spelling of 9896604565 in words is "nine billion, eight hundred ninety-six million, six hundred four thousand, five hundred sixty-five".