6717167321 has 2 divisors, whose sum is σ = 6717167322. Its totient is φ = 6717167320.

The previous prime is 6717167231. The next prime is 6717167333. The reversal of 6717167321 is 1237617176.

Together with previous prime (6717167231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4852654921 + 1864512400 = 69661^2 + 43180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6717167321 is a prime.

It is not a weakly prime, because it can be changed into another prime (6717137321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3358583660 + 3358583661.

It is an arithmetic number, because the mean of its divisors is an integer number (3358583661).

Almost surely, 2^6717167321 is an apocalyptic number.

It is an amenable number.

6717167321 is a deficient number, since it is larger than the sum of its proper divisors (1).

6717167321 is an equidigital number, since it uses as much as digits as its factorization.

6717167321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74088, while the sum is 41.

The square root of 6717167321 is about 81958.3267337737. The cubic root of 6717167321 is about 1886.8124018322.

The spelling of 6717167321 in words is "six billion, seven hundred seventeen million, one hundred sixty-seven thousand, three hundred twenty-one".