999843054341 has 2 divisors, whose sum is σ = 999843054342. Its totient is φ = 999843054340.

The previous prime is 999843054311. The next prime is 999843054349. The reversal of 999843054341 is 143450348999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 650408377441 + 349434676900 = 806479^2 + 591130^2 .

It is a cyclic number.

It is not a de Polignac number, because 999843054341 - 2⁶ = 999843054277 is a prime.

It is a super-2 number, since 2×999843054341² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999843054349) 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, 499921527170 + 499921527171.

It is an arithmetic number, because the mean of its divisors is an integer number (499921527171).

Almost surely, 2^999843054341 is an apocalyptic number.

It is an amenable number.

999843054341 is a deficient number, since it is larger than the sum of its proper divisors (1).

999843054341 is an equidigital number, since it uses as much as digits as its factorization.

999843054341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16796160, while the sum is 59.

The spelling of 999843054341 in words is "nine hundred ninety-nine billion, eight hundred forty-three million, fifty-four thousand, three hundred forty-one".