8444323449 has 9 divisors (see below), whose sum is σ = 12197754309. Its totient is φ = 5629365180.

The previous prime is 8444323423. The next prime is 8444323451. The reversal of 8444323449 is 9443234448.

The square root of 8444323449 is 91893.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 8444323449 - 2²³ = 8435934841 is a prime.

It is a super-2 number, since 2×8444323449² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8444323499) 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 8 ways as a sum of consecutive naturals, for example, 260364 + ... + 290994.

Almost surely, 2^8444323449 is an apocalyptic number.

8444323449 is the 91893-rd square number.

8444323449 is the 45947-th centered octagonal number.

It is an amenable number.

8444323449 is a deficient number, since it is larger than the sum of its proper divisors (3753430860).

8444323449 is an frugal number, since it uses more digits than its factorization.

8444323449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61268 (or 30634 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 45.

The cubic root of 8444323449 is about 2036.3618553959.

The spelling of 8444323449 in words is "eight billion, four hundred forty-four million, three hundred twenty-three thousand, four hundred forty-nine".