9896509601 has 16 divisors (see below), whose sum is σ = 10881993408. Its totient is φ = 8925508800.

The previous prime is 9896509559. The next prime is 9896509607. The reversal of 9896509601 is 1069056989.

It is a de Polignac number, because none of the positive numbers 2^k-9896509601 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (9896509607) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1189211 + ... + 1197503.

It is an arithmetic number, because the mean of its divisors is an integer number (680124588).

Almost surely, 2^9896509601 is an apocalyptic number.

It is an amenable number.

9896509601 is a deficient number, since it is larger than the sum of its proper divisors (985483807).

9896509601 is a wasteful number, since it uses less digits than its factorization.

9896509601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9152.

The product of its (nonzero) digits is 1049760, while the sum is 53.

The square root of 9896509601 is about 99481.2022494702. The cubic root of 9896509601 is about 2146.9767930086.

The spelling of 9896509601 in words is "nine billion, eight hundred ninety-six million, five hundred nine thousand, six hundred one".