6651442222331 has 2 divisors, whose sum is σ = 6651442222332. Its totient is φ = 6651442222330.

The previous prime is 6651442222171. The next prime is 6651442222333. The reversal of 6651442222331 is 1332222441566.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6651442222331 - 2³⁰ = 6650368480507 is a prime.

It is a super-2 number, since 2×6651442222331² (a number of 26 digits) contains 22 as substring.

Together with 6651442222333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6651442222333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3325721111165 + 3325721111166.

It is an arithmetic number, because the mean of its divisors is an integer number (3325721111166).

Almost surely, 2^{6651442222331} is an apocalyptic number.

6651442222331 is a deficient number, since it is larger than the sum of its proper divisors (1).

6651442222331 is an equidigital number, since it uses as much as digits as its factorization.

6651442222331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 41.

Adding to 6651442222331 its reverse (1332222441566), we get a palindrome (7983664663897).

The spelling of 6651442222331 in words is "six trillion, six hundred fifty-one billion, four hundred forty-two million, two hundred twenty-two thousand, three hundred thirty-one".