8581336009 has 4 divisors (see below), whose sum is σ = 8583307216. Its totient is φ = 8579364804.

The previous prime is 8581335953. The next prime is 8581336019. The reversal of 8581336009 is 9006331858.

8581336009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8581336009 - 2¹¹ = 8581333961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8581336019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979059 + ... + 987784.

It is an arithmetic number, because the mean of its divisors is an integer number (2145826804).

Almost surely, 2^8581336009 is an apocalyptic number.

It is an amenable number.

8581336009 is a deficient number, since it is larger than the sum of its proper divisors (1971207).

8581336009 is a wasteful number, since it uses less digits than its factorization.

8581336009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971206.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 8581336009 is about 92635.5008028779. The cubic root of 8581336009 is about 2047.3164178787.

The spelling of 8581336009 in words is "eight billion, five hundred eighty-one million, three hundred thirty-six thousand, nine".