206305874041 has 2 divisors, whose sum is σ = 206305874042. Its totient is φ = 206305874040.

The previous prime is 206305874039. The next prime is 206305874063. The reversal of 206305874041 is 140478503602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136754998416 + 69550875625 = 369804^2 + 263725^2 .

It is a cyclic number.

It is not a de Polignac number, because 206305874041 - 2¹ = 206305874039 is a prime.

It is a super-2 number, since 2×206305874041² (a number of 23 digits) contains 22 as substring.

Together with 206305874039, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 206305873985 and 206305874003.

It is not a weakly prime, because it can be changed into another prime (206305872041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103152937020 + 103152937021.

It is an arithmetic number, because the mean of its divisors is an integer number (103152937021).

Almost surely, 2^206305874041 is an apocalyptic number.

It is an amenable number.

206305874041 is a deficient number, since it is larger than the sum of its proper divisors (1).

206305874041 is an equidigital number, since it uses as much as digits as its factorization.

206305874041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 206305874041 in words is "two hundred six billion, three hundred five million, eight hundred seventy-four thousand, forty-one".