9865058329 has 15 divisors (see below), whose sum is σ = 11514230357. Its totient is φ = 8451592716.

The previous prime is 9865058311. The next prime is 9865058353. The reversal of 9865058329 is 9238505689.

The square root of 9865058329 is 99323.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 9865058329 - 2⁹ = 9865057817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9865058329.

It is not an unprimeable number, because it can be changed into a prime (9865058429) 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 14 ways as a sum of consecutive naturals, for example, 4865814 + ... + 4867840.

Almost surely, 2^9865058329 is an apocalyptic number.

9865058329 is the 99323-rd square number.

9865058329 is the 49662-nd centered octagonal number.

It is an amenable number.

9865058329 is a deficient number, since it is larger than the sum of its proper divisors (1649172028).

9865058329 is an frugal number, since it uses more digits than its factorization.

9865058329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082 (or 2034 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 55.

The cubic root of 9865058329 is about 2144.7000034333.

The spelling of 9865058329 in words is "nine billion, eight hundred sixty-five million, fifty-eight thousand, three hundred twenty-nine".