206324605073 has 4 divisors (see below), whose sum is σ = 206331926820. Its totient is φ = 206317283328.

The previous prime is 206324605031. The next prime is 206324605087. The reversal of 206324605073 is 370506423602.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 188158147984 + 18166457089 = 433772^2 + 134783^2 .

It is a cyclic number.

It is not a de Polignac number, because 206324605073 - 2¹⁴ = 206324588689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206324602073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3618440 + ... + 3675017.

It is an arithmetic number, because the mean of its divisors is an integer number (51582981705).

Almost surely, 2^206324605073 is an apocalyptic number.

It is an amenable number.

206324605073 is a deficient number, since it is larger than the sum of its proper divisors (7321747).

206324605073 is an equidigital number, since it uses as much as digits as its factorization.

206324605073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7321746.

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 206324605073 in words is "two hundred six billion, three hundred twenty-four million, six hundred five thousand, seventy-three".