1368522193 has 2 divisors, whose sum is σ = 1368522194. Its totient is φ = 1368522192.

The previous prime is 1368522179. The next prime is 1368522203. The reversal of 1368522193 is 3912258631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1358069904 + 10452289 = 36852^2 + 3233^2 .

It is a cyclic number.

It is not a de Polignac number, because 1368522193 - 2¹⁷ = 1368391121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1368522143) 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, 684261096 + 684261097.

It is an arithmetic number, because the mean of its divisors is an integer number (684261097).

Almost surely, 2^1368522193 is an apocalyptic number.

It is an amenable number.

1368522193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368522193 is an equidigital number, since it uses as much as digits as its factorization.

1368522193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 40.

The square root of 1368522193 is about 36993.5425851594. The cubic root of 1368522193 is about 1110.2410517256.

The spelling of 1368522193 in words is "one billion, three hundred sixty-eight million, five hundred twenty-two thousand, one hundred ninety-three".