8866009006849 has 4 divisors (see below), whose sum is σ = 8866118594736. Its totient is φ = 8865899418964.

The previous prime is 8866009006837. The next prime is 8866009006861. The reversal of 8866009006849 is 9486009006688.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (8866009006837) and next prime (8866009006861).

It is a cyclic number.

It is not a de Polignac number, because 8866009006849 - 2²⁵ = 8865975452417 is a prime.

It is a super-2 number, since 2×8866009006849² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8866009006549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54672499 + ... + 54834424.

It is an arithmetic number, because the mean of its divisors is an integer number (2216529648684).

Almost surely, 2^{8866009006849} is an apocalyptic number.

It is an amenable number.

8866009006849 is a deficient number, since it is larger than the sum of its proper divisors (109587887).

8866009006849 is a wasteful number, since it uses less digits than its factorization.

8866009006849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109587886.

The product of its (nonzero) digits is 35831808, while the sum is 64.

The spelling of 8866009006849 in words is "eight trillion, eight hundred sixty-six billion, nine million, six thousand, eight hundred forty-nine".