1227593668673 has 2 divisors, whose sum is σ = 1227593668674. Its totient is φ = 1227593668672.

The previous prime is 1227593668649. The next prime is 1227593668703. The reversal of 1227593668673 is 3768663957221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1227590873089 + 2795584 = 1107967^2 + 1672^2 .

It is a cyclic number.

It is not a de Polignac number, because 1227593668673 - 2¹⁴ = 1227593652289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1227593667673) 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, 613796834336 + 613796834337.

It is an arithmetic number, because the mean of its divisors is an integer number (613796834337).

Almost surely, 2^{1227593668673} is an apocalyptic number.

It is an amenable number.

1227593668673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227593668673 is an equidigital number, since it uses as much as digits as its factorization.

1227593668673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 137168640, while the sum is 65.

The spelling of 1227593668673 in words is "one trillion, two hundred twenty-seven billion, five hundred ninety-three million, six hundred sixty-eight thousand, six hundred seventy-three".