442420112447 has 2 divisors, whose sum is σ = 442420112448. Its totient is φ = 442420112446.

The previous prime is 442420112441. The next prime is 442420112503. The reversal of 442420112447 is 744211024244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442420112447 - 2²² = 442415918143 is a prime.

It is a super-2 number, since 2×442420112447² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442420112441) 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, 221210056223 + 221210056224.

It is an arithmetic number, because the mean of its divisors is an integer number (221210056224).

Almost surely, 2^442420112447 is an apocalyptic number.

442420112447 is a deficient number, since it is larger than the sum of its proper divisors (1).

442420112447 is an equidigital number, since it uses as much as digits as its factorization.

442420112447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57344, while the sum is 35.

The spelling of 442420112447 in words is "four hundred forty-two billion, four hundred twenty million, one hundred twelve thousand, four hundred forty-seven".