43334609 has 2 divisors, whose sum is σ = 43334610. Its totient is φ = 43334608.

The previous prime is 43334587. The next prime is 43334617. The reversal of 43334609 is 90643334.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42211009 + 1123600 = 6497^2 + 1060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43334609 is a prime.

It is not a weakly prime, because it can be changed into another prime (43334639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21667304 + 21667305.

It is an arithmetic number, because the mean of its divisors is an integer number (21667305).

Almost surely, 2^43334609 is an apocalyptic number.

It is an amenable number.

43334609 is a deficient number, since it is larger than the sum of its proper divisors (1).

43334609 is an equidigital number, since it uses as much as digits as its factorization.

43334609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 43334609 is about 6582.9027791697. The cubic root of 43334609 is about 351.2461943248.

The spelling of 43334609 in words is "forty-three million, three hundred thirty-four thousand, six hundred nine".