6689013064 has 16 divisors (see below), whose sum is σ = 12550636800. Its totient is φ = 3342176592.

The previous prime is 6689013053. The next prime is 6689013073. The reversal of 6689013064 is 4603109866.

It is a self number, because there is not a number n which added to its sum of digits gives 6689013064.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279012 + ... + 302035.

It is an arithmetic number, because the mean of its divisors is an integer number (784414800).

Almost surely, 2^6689013064 is an apocalyptic number.

It is an amenable number.

6689013064 is a deficient number, since it is larger than the sum of its proper divisors (5861623736).

6689013064 is a wasteful number, since it uses less digits than its factorization.

6689013064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582492 (or 582488 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 6689013064 is about 81786.3867890005. The cubic root of 6689013064 is about 1884.1725890426.

The spelling of 6689013064 in words is "six billion, six hundred eighty-nine million, thirteen thousand, sixty-four".