43343369 has 2 divisors, whose sum is σ = 43343370. Its totient is φ = 43343368.

The previous prime is 43343329. The next prime is 43343381. The reversal of 43343369 is 96334334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43072969 + 270400 = 6563^2 + 520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43343369 is a prime.

It is a super-2 number, since 2×43343369² = 3757295272540322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (43343309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21671684 + 21671685.

It is an arithmetic number, because the mean of its divisors is an integer number (21671685).

Almost surely, 2^43343369 is an apocalyptic number.

It is an amenable number.

43343369 is a deficient number, since it is larger than the sum of its proper divisors (1).

43343369 is an equidigital number, since it uses as much as digits as its factorization.

43343369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 35.

The square root of 43343369 is about 6583.5681055185. The cubic root of 43343369 is about 351.2698606231.

The spelling of 43343369 in words is "forty-three million, three hundred forty-three thousand, three hundred sixty-nine".