9438442989043 has 2 divisors, whose sum is σ = 9438442989044. Its totient is φ = 9438442989042.

The previous prime is 9438442989011. The next prime is 9438442989127. The reversal of 9438442989043 is 3409892448349.

9438442989043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9438442989043 - 2⁵ = 9438442989011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9438442989043.

It is not a weakly prime, because it can be changed into another prime (9438442984043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4719221494521 + 4719221494522.

It is an arithmetic number, because the mean of its divisors is an integer number (4719221494522).

Almost surely, 2^{9438442989043} is an apocalyptic number.

9438442989043 is a deficient number, since it is larger than the sum of its proper divisors (1).

9438442989043 is an equidigital number, since it uses as much as digits as its factorization.

9438442989043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214990848, while the sum is 67.

The spelling of 9438442989043 in words is "nine trillion, four hundred thirty-eight billion, four hundred forty-two million, nine hundred eighty-nine thousand, forty-three".