7043343409 has 2 divisors, whose sum is σ = 7043343410. Its totient is φ = 7043343408.

The previous prime is 7043343407. The next prime is 7043343431. The reversal of 7043343409 is 9043433407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6915585600 + 127757809 = 83160^2 + 11303^2 .

It is a cyclic number.

It is not a de Polignac number, because 7043343409 - 2¹ = 7043343407 is a prime.

Together with 7043343407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7043343407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3521671704 + 3521671705.

It is an arithmetic number, because the mean of its divisors is an integer number (3521671705).

Almost surely, 2^7043343409 is an apocalyptic number.

It is an amenable number.

7043343409 is a deficient number, since it is larger than the sum of its proper divisors (1).

7043343409 is an equidigital number, since it uses as much as digits as its factorization.

7043343409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 37.

The square root of 7043343409 is about 83924.6293348979. The cubic root of 7043343409 is about 1916.8712977672.

The spelling of 7043343409 in words is "seven billion, forty-three million, three hundred forty-three thousand, four hundred nine".