205353846343 has 2 divisors, whose sum is σ = 205353846344. Its totient is φ = 205353846342.

The previous prime is 205353846281. The next prime is 205353846349. The reversal of 205353846343 is 343648353502.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205353846343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205353846293 and 205353846302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205353846349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102676923171 + 102676923172.

It is an arithmetic number, because the mean of its divisors is an integer number (102676923172).

Almost surely, 2^205353846343 is an apocalyptic number.

205353846343 is a deficient number, since it is larger than the sum of its proper divisors (1).

205353846343 is an equidigital number, since it uses as much as digits as its factorization.

205353846343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3110400, while the sum is 46.

The spelling of 205353846343 in words is "two hundred five billion, three hundred fifty-three million, eight hundred forty-six thousand, three hundred forty-three".