9845775489 has 16 divisors (see below), whose sum is σ = 14654179584. Its totient is φ = 5828365200.

The previous prime is 9845775469. The next prime is 9845775503.

9845775489 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9845775489 - 2⁷ = 9845775361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9845775449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3467847 + ... + 3470684.

It is an arithmetic number, because the mean of its divisors is an integer number (915886224).

Almost surely, 2^9845775489 is an apocalyptic number.

It is an amenable number.

9845775489 is a deficient number, since it is larger than the sum of its proper divisors (4808404095).

9845775489 is a wasteful number, since it uses less digits than its factorization.

9845775489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6938588.

The product of its digits is 101606400, while the sum is 66.

The square root of 9845775489 is about 99225.8811449916. The cubic root of 9845775489 is about 2143.3017051662.

The spelling of 9845775489 in words is "nine billion, eight hundred forty-five million, seven hundred seventy-five thousand, four hundred eighty-nine".