9845445489 has 16 divisors (see below), whose sum is σ = 14322569664. Its totient is φ = 5966136000.

The previous prime is 9845445437. The next prime is 9845445499.

It is a happy number.

9845445489 is nontrivially palindromic in base 10.

9845445489 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9845445489 - 2¹¹ = 9845443441 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9845445499) 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, 311667 + ... + 341799.

It is an arithmetic number, because the mean of its divisors is an integer number (895160604).

Almost surely, 2^9845445489 is an apocalyptic number.

It is an amenable number.

9845445489 is a deficient number, since it is larger than the sum of its proper divisors (4477124175).

9845445489 is a wasteful number, since it uses less digits than its factorization.

9845445489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40048.

The product of its digits is 33177600, while the sum is 60.

The square root of 9845445489 is about 99224.2182584474. The cubic root of 9845445489 is about 2143.2777592798.

The spelling of 9845445489 in words is "nine billion, eight hundred forty-five million, four hundred forty-five thousand, four hundred eighty-nine".