966547768993 has 2 divisors, whose sum is σ = 966547768994. Its totient is φ = 966547768992.

The previous prime is 966547768939. The next prime is 966547768997. The reversal of 966547768993 is 399867745669.

It is a happy number.

Together with previous prime (966547768939) 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., 562270523409 + 404277245584 = 749847^2 + 635828^2 .

It is a cyclic number.

It is not a de Polignac number, because 966547768993 - 2⁹ = 966547768481 is a prime.

It is not a weakly prime, because it can be changed into another prime (966547768997) 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, 483273884496 + 483273884497.

It is an arithmetic number, because the mean of its divisors is an integer number (483273884497).

Almost surely, 2^966547768993 is an apocalyptic number.

It is an amenable number.

966547768993 is a deficient number, since it is larger than the sum of its proper divisors (1).

966547768993 is an equidigital number, since it uses as much as digits as its factorization.

966547768993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3703553280, while the sum is 79.

The spelling of 966547768993 in words is "nine hundred sixty-six billion, five hundred forty-seven million, seven hundred sixty-eight thousand, nine hundred ninety-three".