206829396226 has 8 divisors (see below), whose sum is σ = 310258447884. Its totient is φ = 103409913600.

The previous prime is 206829396211. The next prime is 206829396247. The reversal of 206829396226 is 622693928602.

It is a Cunningham number, because it is equal to 454785²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 206829396225 + 1 = 454785^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2337975 + ... + 2424826.

Almost surely, 2^206829396226 is an apocalyptic number.

206829396226 is a deficient number, since it is larger than the sum of its proper divisors (103429051658).

206829396226 is a wasteful number, since it uses less digits than its factorization.

206829396226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4784516.

The product of its (nonzero) digits is 6718464, while the sum is 55.

The spelling of 206829396226 in words is "two hundred six billion, eight hundred twenty-nine million, three hundred ninety-six thousand, two hundred twenty-six".