6662227936873 has 2 divisors, whose sum is σ = 6662227936874. Its totient is φ = 6662227936872.

The previous prime is 6662227936823. The next prime is 6662227936909. The reversal of 6662227936873 is 3786397222666.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5995117971049 + 667109965824 = 2448493^2 + 816768^2 .

It is a cyclic number.

It is not a de Polignac number, because 6662227936873 - 2²⁹ = 6661691065961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6662227936799 and 6662227936808.

It is not a weakly prime, because it can be changed into another prime (6662227936823) 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, 3331113968436 + 3331113968437.

It is an arithmetic number, because the mean of its divisors is an integer number (3331113968437).

Almost surely, 2^{6662227936873} is an apocalyptic number.

It is an amenable number.

6662227936873 is a deficient number, since it is larger than the sum of its proper divisors (1).

6662227936873 is an equidigital number, since it uses as much as digits as its factorization.

6662227936873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 329204736, while the sum is 67.

The spelling of 6662227936873 in words is "six trillion, six hundred sixty-two billion, two hundred twenty-seven million, nine hundred thirty-six thousand, eight hundred seventy-three".