1068655193 has 2 divisors, whose sum is σ = 1068655194. Its totient is φ = 1068655192.

The previous prime is 1068655183. The next prime is 1068655243. The reversal of 1068655193 is 3915568601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 660130249 + 408524944 = 25693^2 + 20212^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068655193 - 2⁴ = 1068655177 is a prime.

It is a super-2 number, since 2×1068655193² = 2284047843051734498, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1068655183) 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, 534327596 + 534327597.

It is an arithmetic number, because the mean of its divisors is an integer number (534327597).

Almost surely, 2^1068655193 is an apocalyptic number.

It is an amenable number.

1068655193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068655193 is an equidigital number, since it uses as much as digits as its factorization.

1068655193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 1068655193 is about 32690.2920298978. The cubic root of 1068655193 is about 1022.3804434153.

The spelling of 1068655193 in words is "one billion, sixty-eight million, six hundred fifty-five thousand, one hundred ninety-three".