6723114221 has 2 divisors, whose sum is σ = 6723114222. Its totient is φ = 6723114220.

The previous prime is 6723114217. The next prime is 6723114247. The reversal of 6723114221 is 1224113276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6001600900 + 721513321 = 77470^2 + 26861^2 .

It is a cyclic number.

It is not a de Polignac number, because 6723114221 - 2² = 6723114217 is a prime.

It is a super-2 number, since 2×6723114221² = 90400529657224873682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6723114421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3361557110 + 3361557111.

It is an arithmetic number, because the mean of its divisors is an integer number (3361557111).

Almost surely, 2^6723114221 is an apocalyptic number.

It is an amenable number.

6723114221 is a deficient number, since it is larger than the sum of its proper divisors (1).

6723114221 is an equidigital number, since it uses as much as digits as its factorization.

6723114221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 6723114221 is about 81994.5987306481. The cubic root of 6723114221 is about 1887.3690538867.

Adding to 6723114221 its reverse (1224113276), we get a palindrome (7947227497).

The spelling of 6723114221 in words is "six billion, seven hundred twenty-three million, one hundred fourteen thousand, two hundred twenty-one".