2008808689 has 4 divisors (see below), whose sum is σ = 2126973924. Its totient is φ = 1890643456.

The previous prime is 2008808677. The next prime is 2008808701. The reversal of 2008808689 is 9868088002.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2008808677) and next prime (2008808701).

It can be written as a sum of positive squares in 2 ways, for example, as 1837408225 + 171400464 = 42865^2 + 13092^2 .

It is a cyclic number.

It is not a de Polignac number, because 2008808689 - 2⁷ = 2008808561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2008808639) 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, 59082592 + ... + 59082625.

It is an arithmetic number, because the mean of its divisors is an integer number (531743481).

Almost surely, 2^2008808689 is an apocalyptic number.

It is an amenable number.

2008808689 is a deficient number, since it is larger than the sum of its proper divisors (118165235).

2008808689 is a wasteful number, since it uses less digits than its factorization.

2008808689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118165234.

The product of its (nonzero) digits is 442368, while the sum is 49.

The square root of 2008808689 is about 44819.7354856095. The cubic root of 2008808689 is about 1261.7680497174.

The spelling of 2008808689 in words is "two billion, eight million, eight hundred eight thousand, six hundred eighty-nine".