6718734223 has 2 divisors, whose sum is σ = 6718734224. Its totient is φ = 6718734222.

The previous prime is 6718734193. The next prime is 6718734227. The reversal of 6718734223 is 3224378176.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6718734223 is a prime.

It is a super-2 number, since 2×6718734223² = 90282779118622827458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6718734223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6718734227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3359367111 + 3359367112.

It is an arithmetic number, because the mean of its divisors is an integer number (3359367112).

Almost surely, 2^6718734223 is an apocalyptic number.

6718734223 is a deficient number, since it is larger than the sum of its proper divisors (1).

6718734223 is an equidigital number, since it uses as much as digits as its factorization.

6718734223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 43.

The square root of 6718734223 is about 81967.8853149207. The cubic root of 6718734223 is about 1886.9591015809.

The spelling of 6718734223 in words is "six billion, seven hundred eighteen million, seven hundred thirty-four thousand, two hundred twenty-three".