442421124259 has 2 divisors, whose sum is σ = 442421124260. Its totient is φ = 442421124258.

The previous prime is 442421124203. The next prime is 442421124349. The reversal of 442421124259 is 952421124244.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442421124259 is a prime.

It is not a weakly prime, because it can be changed into another prime (442421104259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221210562129 + 221210562130.

It is an arithmetic number, because the mean of its divisors is an integer number (221210562130).

Almost surely, 2^442421124259 is an apocalyptic number.

442421124259 is a deficient number, since it is larger than the sum of its proper divisors (1).

442421124259 is an equidigital number, since it uses as much as digits as its factorization.

442421124259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 184320, while the sum is 40.

The spelling of 442421124259 in words is "four hundred forty-two billion, four hundred twenty-one million, one hundred twenty-four thousand, two hundred fifty-nine".