43343209999 has 2 divisors, whose sum is σ = 43343210000. Its totient is φ = 43343209998.

The previous prime is 43343209937. The next prime is 43343210059. The reversal of 43343209999 is 99990234334.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43343209999 - 2¹³ = 43343201807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43343209909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21671604999 + 21671605000.

It is an arithmetic number, because the mean of its divisors is an integer number (21671605000).

Almost surely, 2^43343209999 is an apocalyptic number.

43343209999 is a deficient number, since it is larger than the sum of its proper divisors (1).

43343209999 is an equidigital number, since it uses as much as digits as its factorization.

43343209999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5668704, while the sum is 55.

The spelling of 43343209999 in words is "forty-three billion, three hundred forty-three million, two hundred nine thousand, nine hundred ninety-nine".