206789345293 has 2 divisors, whose sum is σ = 206789345294. Its totient is φ = 206789345292.

The previous prime is 206789345237. The next prime is 206789345297. The reversal of 206789345293 is 392543987602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150526928484 + 56262416809 = 387978^2 + 237197^2 .

It is a cyclic number.

It is not a de Polignac number, because 206789345293 - 2²⁵ = 206755790861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206789345297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103394672646 + 103394672647.

It is an arithmetic number, because the mean of its divisors is an integer number (103394672647).

Almost surely, 2^206789345293 is an apocalyptic number.

It is an amenable number.

206789345293 is a deficient number, since it is larger than the sum of its proper divisors (1).

206789345293 is an equidigital number, since it uses as much as digits as its factorization.

206789345293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19595520, while the sum is 58.

The spelling of 206789345293 in words is "two hundred six billion, seven hundred eighty-nine million, three hundred forty-five thousand, two hundred ninety-three".