205387848343 has 2 divisors, whose sum is σ = 205387848344. Its totient is φ = 205387848342.

The previous prime is 205387848331. The next prime is 205387848349. The reversal of 205387848343 is 343848783502.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205387848343 - 2³³ = 196797913751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205387848349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102693924171 + 102693924172.

It is an arithmetic number, because the mean of its divisors is an integer number (102693924172).

Almost surely, 2^205387848343 is an apocalyptic number.

205387848343 is a deficient number, since it is larger than the sum of its proper divisors (1).

205387848343 is an equidigital number, since it uses as much as digits as its factorization.

205387848343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15482880, while the sum is 55.

The spelling of 205387848343 in words is "two hundred five billion, three hundred eighty-seven million, eight hundred forty-eight thousand, three hundred forty-three".