43343669 has 2 divisors, whose sum is σ = 43343670. Its totient is φ = 43343668.

The previous prime is 43343621. The next prime is 43343723. The reversal of 43343669 is 96634334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38912644 + 4431025 = 6238^2 + 2105^2 .

It is a cyclic number.

It is not a de Polignac number, because 43343669 - 2¹⁶ = 43278133 is a prime.

It is a super-2 number, since 2×43343669² = 3757347284763122, which 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 (43343369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21671834 + 21671835.

It is an arithmetic number, because the mean of its divisors is an integer number (21671835).

Almost surely, 2^43343669 is an apocalyptic number.

It is an amenable number.

43343669 is a deficient number, since it is larger than the sum of its proper divisors (1).

43343669 is an equidigital number, since it uses as much as digits as its factorization.

43343669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 38.

The square root of 43343669 is about 6583.5908894767. The cubic root of 43343669 is about 351.2706710563.

The spelling of 43343669 in words is "forty-three million, three hundred forty-three thousand, six hundred sixty-nine".