6689680303 has 4 divisors (see below), whose sum is σ = 7041768760. Its totient is φ = 6337591848.

The previous prime is 6689680301. The next prime is 6689680427. The reversal of 6689680303 is 3030869866.

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

It is a cyclic number.

It is not a de Polignac number, because 6689680303 - 2¹ = 6689680301 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 (6689680301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176044200 + ... + 176044237.

It is an arithmetic number, because the mean of its divisors is an integer number (1760442190).

Almost surely, 2^6689680303 is an apocalyptic number.

6689680303 is a deficient number, since it is larger than the sum of its proper divisors (352088457).

6689680303 is a wasteful number, since it uses less digits than its factorization.

6689680303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352088456.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 6689680303 is about 81790.4658441312. The cubic root of 6689680303 is about 1884.2352366322.

The spelling of 6689680303 in words is "six billion, six hundred eighty-nine million, six hundred eighty thousand, three hundred three".