4343124435509 has 2 divisors, whose sum is σ = 4343124435510. Its totient is φ = 4343124435508.

The previous prime is 4343124435497. The next prime is 4343124435511. The reversal of 4343124435509 is 9055344213434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4301903254609 + 41221180900 = 2074103^2 + 203030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4343124435509 is a prime.

It is a Sophie Germain prime.

Together with 4343124435511, it forms a pair of twin primes.

It is a Chen 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 (4343124435539) 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, 2171562217754 + 2171562217755.

It is an arithmetic number, because the mean of its divisors is an integer number (2171562217755).

Almost surely, 2^{4343124435509} is an apocalyptic number.

It is an amenable number.

4343124435509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4343124435509 is an equidigital number, since it uses as much as digits as its factorization.

4343124435509 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 47.

The spelling of 4343124435509 in words is "four trillion, three hundred forty-three billion, one hundred twenty-four million, four hundred thirty-five thousand, five hundred nine".