1789668600193 has 2 divisors, whose sum is σ = 1789668600194. Its totient is φ = 1789668600192.

The previous prime is 1789668600151. The next prime is 1789668600211. The reversal of 1789668600193 is 3910068669871.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1406102667264 + 383565932929 = 1185792^2 + 619327^2 .

It is a cyclic number.

It is not a de Polignac number, because 1789668600193 - 2²⁵ = 1789635045761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1789668600103) 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, 894834300096 + 894834300097.

It is an arithmetic number, because the mean of its divisors is an integer number (894834300097).

Almost surely, 2^{1789668600193} is an apocalyptic number.

It is an amenable number.

1789668600193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1789668600193 is an equidigital number, since it uses as much as digits as its factorization.

1789668600193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23514624, while the sum is 64.

The spelling of 1789668600193 in words is "one trillion, seven hundred eighty-nine billion, six hundred sixty-eight million, six hundred thousand, one hundred ninety-three".