4449561339 has 4 divisors (see below), whose sum is σ = 5932748456. Its totient is φ = 2966374224.

The previous prime is 4449561289. The next prime is 4449561349. The reversal of 4449561339 is 9331659444.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4449561339 - 2⁹ = 4449560827 is a prime.

It is a super-2 number, since 2×4449561339² = 39597192219046945842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4449561349) 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 3 ways as a sum of consecutive naturals, for example, 741593554 + ... + 741593559.

It is an arithmetic number, because the mean of its divisors is an integer number (1483187114).

Almost surely, 2^4449561339 is an apocalyptic number.

4449561339 is a deficient number, since it is larger than the sum of its proper divisors (1483187117).

4449561339 is a wasteful number, since it uses less digits than its factorization.

4449561339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483187116.

The product of its digits is 1399680, while the sum is 48.

The square root of 4449561339 is about 66705.0323363987. The cubic root of 4449561339 is about 1644.7721082540.

The spelling of 4449561339 in words is "four billion, four hundred forty-nine million, five hundred sixty-one thousand, three hundred thirty-nine".