6689423359 has 8 divisors (see below), whose sum is σ = 6927570000. Its totient is φ = 6451775232.

The previous prime is 6689423353. The next prime is 6689423393. The reversal of 6689423359 is 9533249866.

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

It is not a de Polignac number, because 6689423359 - 2⁹ = 6689422847 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 (6689423353) 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, 97209 + ... + 151090.

It is an arithmetic number, because the mean of its divisors is an integer number (865946250).

Almost surely, 2^6689423359 is an apocalyptic number.

6689423359 is a deficient number, since it is larger than the sum of its proper divisors (238146641).

6689423359 is a wasteful number, since it uses less digits than its factorization.

6689423359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249257.

The product of its digits is 8398080, while the sum is 55.

The square root of 6689423359 is about 81788.8950836237. The cubic root of 6689423359 is about 1884.2111124531.

The spelling of 6689423359 in words is "six billion, six hundred eighty-nine million, four hundred twenty-three thousand, three hundred fifty-nine".