9449449449 has 16 divisors (see below), whose sum is σ = 13932940224. Its totient is φ = 5648486400.

The previous prime is 9449449433. The next prime is 9449449501.

9449449449 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9449449449 - 2⁴ = 9449449433 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9449449392 and 9449449401.

It is not an unprimeable number, because it can be changed into a prime (9449449409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1958872 + ... + 1963689.

It is an arithmetic number, because the mean of its divisors is an integer number (870808764).

Almost surely, 2^9449449449 is an apocalyptic number.

It is an amenable number.

9449449449 is a deficient number, since it is larger than the sum of its proper divisors (4483490775).

9449449449 is a wasteful number, since it uses less digits than its factorization.

9449449449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922648.

The product of its digits is 26873856, while the sum is 60.

The square root of 9449449449 is about 97208.2787060855. The cubic root of 9449449449 is about 2114.1485617072.

The spelling of 9449449449 in words is "nine billion, four hundred forty-nine million, four hundred forty-nine thousand, four hundred forty-nine".