8449447312 has 10 divisors (see below), whose sum is σ = 16370804198. Its totient is φ = 4224723648.

The previous prime is 8449447297. The next prime is 8449447319. The reversal of 8449447312 is 2137449448.

It can be written as a sum of positive squares in only one way, i.e., 5790601216 + 2658846096 = 76096^2 + 51564^2 .

It is not an unprimeable number, because it can be changed into a prime (8449447319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264045213 + ... + 264045244.

Almost surely, 2^8449447312 is an apocalyptic number.

It is an amenable number.

8449447312 is a deficient number, since it is larger than the sum of its proper divisors (7921356886).

8449447312 is a wasteful number, since it uses less digits than its factorization.

8449447312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528090465 (or 528090459 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The square root of 8449447312 is about 91920.8752786874. The cubic root of 8449447312 is about 2036.7736479862.

The spelling of 8449447312 in words is "eight billion, four hundred forty-nine million, four hundred forty-seven thousand, three hundred twelve".