43303142662489 has 2 divisors, whose sum is σ = 43303142662490. Its totient is φ = 43303142662488.

The previous prime is 43303142662379. The next prime is 43303142662543. The reversal of 43303142662489 is 98426624130334.

It is a happy number.

43303142662489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24124944241225 + 19178198421264 = 4911715^2 + 4379292^2 .

It is a cyclic number.

It is not a de Polignac number, because 43303142662489 - 2¹³ = 43303142654297 is a prime.

It is not a weakly prime, because it can be changed into another prime (43303142662789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21651571331244 + 21651571331245.

It is an arithmetic number, because the mean of its divisors is an integer number (21651571331245).

Almost surely, 2^{43303142662489} is an apocalyptic number.

It is an amenable number.

43303142662489 is a deficient number, since it is larger than the sum of its proper divisors (1).

43303142662489 is an equidigital number, since it uses as much as digits as its factorization.

43303142662489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17915904, while the sum is 55.

The spelling of 43303142662489 in words is "forty-three trillion, three hundred three billion, one hundred forty-two million, six hundred sixty-two thousand, four hundred eighty-nine".