442413243947 has 2 divisors, whose sum is σ = 442413243948. Its totient is φ = 442413243946.

The previous prime is 442413243931. The next prime is 442413243949. The reversal of 442413243947 is 749342314244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442413243947 - 2⁴ = 442413243931 is a prime.

Together with 442413243949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (442413243949) 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, 221206621973 + 221206621974.

It is an arithmetic number, because the mean of its divisors is an integer number (221206621974).

Almost surely, 2^442413243947 is an apocalyptic number.

442413243947 is a deficient number, since it is larger than the sum of its proper divisors (1).

442413243947 is an equidigital number, since it uses as much as digits as its factorization.

442413243947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 47.

The spelling of 442413243947 in words is "four hundred forty-two billion, four hundred thirteen million, two hundred forty-three thousand, nine hundred forty-seven".