8449056009 has 12 divisors (see below), whose sum is σ = 12217659376. Its totient is φ = 5626488312.

The previous prime is 8449055977. The next prime is 8449056023. The reversal of 8449056009 is 9006509448.

It is a happy number.

8449056009 is a `hidden beast` number, since 84 + 4 + 9 + 0 + 560 + 0 + 9 = 666.

It is not a de Polignac number, because 8449056009 - 2⁵ = 8449055977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8449056089) 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 11 ways as a sum of consecutive naturals, for example, 509359 + ... + 525684.

Almost surely, 2^8449056009 is an apocalyptic number.

It is an amenable number.

8449056009 is a deficient number, since it is larger than the sum of its proper divisors (3768603367).

8449056009 is a wasteful number, since it uses less digits than its factorization.

8449056009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035956 (or 1035953 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 8449056009 is about 91918.7467767049. The cubic root of 8449056009 is about 2036.7422057742.

The spelling of 8449056009 in words is "eight billion, four hundred forty-nine million, fifty-six thousand, nine".