6718232189 has 2 divisors, whose sum is σ = 6718232190. Its totient is φ = 6718232188.

The previous prime is 6718232137. The next prime is 6718232197. The reversal of 6718232189 is 9812328176.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6128228089 + 590004100 = 78283^2 + 24290^2 .

It is a cyclic number.

It is not a de Polignac number, because 6718232189 - 2¹² = 6718228093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6718231189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3359116094 + 3359116095.

It is an arithmetic number, because the mean of its divisors is an integer number (3359116095).

Almost surely, 2^6718232189 is an apocalyptic number.

It is an amenable number.

6718232189 is a deficient number, since it is larger than the sum of its proper divisors (1).

6718232189 is an equidigital number, since it uses as much as digits as its factorization.

6718232189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 47.

The square root of 6718232189 is about 81964.8228754263. The cubic root of 6718232189 is about 1886.9121015959.

The spelling of 6718232189 in words is "six billion, seven hundred eighteen million, two hundred thirty-two thousand, one hundred eighty-nine".