6442413552439 has 2 divisors, whose sum is σ = 6442413552440. Its totient is φ = 6442413552438.

The previous prime is 6442413552397. The next prime is 6442413552451. The reversal of 6442413552439 is 9342553142446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6442413552439 - 2¹⁹ = 6442413028151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6442413552469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3221206776219 + 3221206776220.

It is an arithmetic number, because the mean of its divisors is an integer number (3221206776220).

Almost surely, 2^{6442413552439} is an apocalyptic number.

6442413552439 is a deficient number, since it is larger than the sum of its proper divisors (1).

6442413552439 is an equidigital number, since it uses as much as digits as its factorization.

6442413552439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12441600, while the sum is 52.

The spelling of 6442413552439 in words is "six trillion, four hundred forty-two billion, four hundred thirteen million, five hundred fifty-two thousand, four hundred thirty-nine".