9449889449 has 16 divisors (see below), whose sum is σ = 12687964800. Its totient is φ = 6797122560.

The previous prime is 9449889431. The next prime is 9449889479.

9449889449 is nontrivially palindromic in base 10.

9449889449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9449889449 is a prime.

It is a super-3 number, since 3×9449889449³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9449889479) 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, 4719224 + ... + 4721225.

It is an arithmetic number, because the mean of its divisors is an integer number (792997800).

Almost surely, 2^9449889449 is an apocalyptic number.

It is an amenable number.

9449889449 is a deficient number, since it is larger than the sum of its proper divisors (3238075351).

9449889449 is a wasteful number, since it uses less digits than its factorization.

9449889449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9440480.

The product of its digits is 107495424, while the sum is 68.

The square root of 9449889449 is about 97210.5418614669. The cubic root of 9449889449 is about 2114.1813752918.

It can be divided in two parts, 9449 and 889449, that added together give a palindrome (898898).

The spelling of 9449889449 in words is "nine billion, four hundred forty-nine million, eight hundred eighty-nine thousand, four hundred forty-nine".