205821383083 has 2 divisors, whose sum is σ = 205821383084. Its totient is φ = 205821383082.

The previous prime is 205821383023. The next prime is 205821383129. The reversal of 205821383083 is 380383128502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205821383083 - 2³⁷ = 68382429611 is a prime.

It is not a weakly prime, because it can be changed into another prime (205821383023) 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, 102910691541 + 102910691542.

It is an arithmetic number, because the mean of its divisors is an integer number (102910691542).

Almost surely, 2^205821383083 is an apocalyptic number.

205821383083 is a deficient number, since it is larger than the sum of its proper divisors (1).

205821383083 is an equidigital number, since it uses as much as digits as its factorization.

205821383083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 205821383083 in words is "two hundred five billion, eight hundred twenty-one million, three hundred eighty-three thousand, eighty-three".