442422424091 has 2 divisors, whose sum is σ = 442422424092. Its totient is φ = 442422424090.

The previous prime is 442422424021. The next prime is 442422424151. The reversal of 442422424091 is 190424224244.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442422424091 is a prime.

It is not a weakly prime, because it can be changed into another prime (442422424021) 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, 221211212045 + 221211212046.

It is an arithmetic number, because the mean of its divisors is an integer number (221211212046).

Almost surely, 2^442422424091 is an apocalyptic number.

442422424091 is a deficient number, since it is larger than the sum of its proper divisors (1).

442422424091 is an equidigital number, since it uses as much as digits as its factorization.

442422424091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147456, while the sum is 38.

The spelling of 442422424091 in words is "four hundred forty-two billion, four hundred twenty-two million, four hundred twenty-four thousand, ninety-one".