2009867005 has 8 divisors (see below), whose sum is σ = 2447838432. Its totient is φ = 1583894928.

The previous prime is 2009867003. The next prime is 2009867009. The reversal of 2009867005 is 5007689002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2009867005 - 2¹ = 2009867003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009867003) 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 7 ways as a sum of consecutive naturals, for example, 2999467 + ... + 3000136.

It is an arithmetic number, because the mean of its divisors is an integer number (305979804).

Almost surely, 2^2009867005 is an apocalyptic number.

It is an amenable number.

2009867005 is a deficient number, since it is larger than the sum of its proper divisors (437971427).

2009867005 is an equidigital number, since it uses as much as digits as its factorization.

2009867005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5999675.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2009867005 is about 44831.5402925217. The cubic root of 2009867005 is about 1261.9895931106.

The spelling of 2009867005 in words is "two billion, nine million, eight hundred sixty-seven thousand, five".