6691730223 has 4 divisors (see below), whose sum is σ = 8922306968. Its totient is φ = 4461153480.

The previous prime is 6691730159. The next prime is 6691730249. The reversal of 6691730223 is 3220371966.

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

It is not a de Polignac number, because 6691730223 - 2⁶ = 6691730159 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 (6691730273) 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, 1115288368 + ... + 1115288373.

It is an arithmetic number, because the mean of its divisors is an integer number (2230576742).

Almost surely, 2^6691730223 is an apocalyptic number.

6691730223 is a deficient number, since it is larger than the sum of its proper divisors (2230576745).

6691730223 is a wasteful number, since it uses less digits than its factorization.

6691730223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230576744.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 6691730223 is about 81802.9964182242. The cubic root of 6691730223 is about 1884.4276791634.

The spelling of 6691730223 in words is "six billion, six hundred ninety-one million, seven hundred thirty thousand, two hundred twenty-three".