206340433193 has 2 divisors, whose sum is σ = 206340433194. Its totient is φ = 206340433192.

The previous prime is 206340433157. The next prime is 206340433199. The reversal of 206340433193 is 391334043602.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174045827344 + 32294605849 = 417188^2 + 179707^2 .

It is a cyclic number.

It is not a de Polignac number, because 206340433193 - 2²⁰ = 206339384617 is a prime.

It is not a weakly prime, because it can be changed into another prime (206340433199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103170216596 + 103170216597.

It is an arithmetic number, because the mean of its divisors is an integer number (103170216597).

Almost surely, 2^206340433193 is an apocalyptic number.

It is an amenable number.

206340433193 is a deficient number, since it is larger than the sum of its proper divisors (1).

206340433193 is an equidigital number, since it uses as much as digits as its factorization.

206340433193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 38.

Adding to 206340433193 its reverse (391334043602), we get a palindrome (597674476795).

The spelling of 206340433193 in words is "two hundred six billion, three hundred forty million, four hundred thirty-three thousand, one hundred ninety-three".