6689132609 has 8 divisors (see below), whose sum is σ = 7043568480. Its totient is φ = 6334934400.

The previous prime is 6689132603. The next prime is 6689132621. The reversal of 6689132609 is 9062319866.

6689132609 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6689132609 - 2³² = 2394165313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6689132603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107 + ... + 115664.

It is an arithmetic number, because the mean of its divisors is an integer number (880446060).

Almost surely, 2^6689132609 is an apocalyptic number.

It is an amenable number.

6689132609 is a deficient number, since it is larger than the sum of its proper divisors (354435871).

6689132609 is a wasteful number, since it uses less digits than its factorization.

6689132609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118831.

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 6689132609 is about 81787.1176225205. The cubic root of 6689132609 is about 1884.1838135222.

The spelling of 6689132609 in words is "six billion, six hundred eighty-nine million, one hundred thirty-two thousand, six hundred nine".