343824384439 has 2 divisors, whose sum is σ = 343824384440. Its totient is φ = 343824384438.

The previous prime is 343824384437. The next prime is 343824384457. The reversal of 343824384439 is 934483428343.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343824384439 - 2¹ = 343824384437 is a prime.

Together with 343824384437, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 343824384439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343824384433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171912192219 + 171912192220.

It is an arithmetic number, because the mean of its divisors is an integer number (171912192220).

Almost surely, 2^343824384439 is an apocalyptic number.

343824384439 is a deficient number, since it is larger than the sum of its proper divisors (1).

343824384439 is an equidigital number, since it uses as much as digits as its factorization.

343824384439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23887872, while the sum is 55.

The spelling of 343824384439 in words is "three hundred forty-three billion, eight hundred twenty-four million, three hundred eighty-four thousand, four hundred thirty-nine".