6689429336 has 16 divisors (see below), whose sum is σ = 12748298640. Its totient is φ = 3289883040.

The previous prime is 6689429293. The next prime is 6689429339. The reversal of 6689429336 is 6339249866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6689429339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6853436 + ... + 6854411.

It is an arithmetic number, because the mean of its divisors is an integer number (796768665).

Almost surely, 2^6689429336 is an apocalyptic number.

It is an amenable number.

6689429336 is a deficient number, since it is larger than the sum of its proper divisors (6058869304).

6689429336 is a wasteful number, since it uses less digits than its factorization.

6689429336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13707914 (or 13707910 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 56.

The square root of 6689429336 is about 81788.9316228058. The cubic root of 6689429336 is about 1884.2116736338.

The spelling of 6689429336 in words is "six billion, six hundred eighty-nine million, four hundred twenty-nine thousand, three hundred thirty-six".