65364436261673 has 2 divisors, whose sum is σ = 65364436261674. Its totient is φ = 65364436261672.

The previous prime is 65364436261637. The next prime is 65364436261679. The reversal of 65364436261673 is 37616263446356.

Together with previous prime (65364436261637) 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., 43809466552384 + 21554969709289 = 6618872^2 + 4642733^2 .

It is a cyclic number.

It is not a de Polignac number, because 65364436261673 - 2¹⁰ = 65364436260649 is a prime.

It is not a weakly prime, because it can be changed into another prime (65364436261679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32682218130836 + 32682218130837.

It is an arithmetic number, because the mean of its divisors is an integer number (32682218130837).

Almost surely, 2^{65364436261673} is an apocalyptic number.

It is an amenable number.

65364436261673 is a deficient number, since it is larger than the sum of its proper divisors (1).

65364436261673 is an equidigital number, since it uses as much as digits as its factorization.

65364436261673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235146240, while the sum is 62.

The spelling of 65364436261673 in words is "sixty-five trillion, three hundred sixty-four billion, four hundred thirty-six million, two hundred sixty-one thousand, six hundred seventy-three".