206053219843 has 2 divisors, whose sum is σ = 206053219844. Its totient is φ = 206053219842.

The previous prime is 206053219819. The next prime is 206053219901. The reversal of 206053219843 is 348912350602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206053219843 - 2⁹ = 206053219331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 206053219843.

It is not a weakly prime, because it can be changed into another prime (206053219543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103026609921 + 103026609922.

It is an arithmetic number, because the mean of its divisors is an integer number (103026609922).

Almost surely, 2^206053219843 is an apocalyptic number.

206053219843 is a deficient number, since it is larger than the sum of its proper divisors (1).

206053219843 is an equidigital number, since it uses as much as digits as its factorization.

206053219843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 206053219843 in words is "two hundred six billion, fifty-three million, two hundred nineteen thousand, eight hundred forty-three".