9802064865 has 16 divisors (see below), whose sum is σ = 15685236288. Its totient is φ = 5227123776.

The previous prime is 9802064863. The next prime is 9802064897. The reversal of 9802064865 is 5684602089.

It is a happy number.

9802064865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9802064865 - 2¹ = 9802064863 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9802064863) by changing a digit.

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, 101674 + ... + 173036.

It is an arithmetic number, because the mean of its divisors is an integer number (980327268).

Almost surely, 2^9802064865 is an apocalyptic number.

It is an amenable number.

9802064865 is a deficient number, since it is larger than the sum of its proper divisors (5883171423).

9802064865 is a wasteful number, since it uses less digits than its factorization.

9802064865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80528.

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 9802064865 is about 99005.3779599876. The cubic root of 9802064865 is about 2140.1252485142.

The spelling of 9802064865 in words is "nine billion, eight hundred two million, sixty-four thousand, eight hundred sixty-five".