442430519243 has 4 divisors (see below), whose sum is σ = 442472311920. Its totient is φ = 442388726568.

The previous prime is 442430519221. The next prime is 442430519263. The reversal of 442430519243 is 342915034244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442430519243 - 2²⁸ = 442162083787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442430519243.

It is not an unprimeable number, because it can be changed into a prime (442430519263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20880455 + ... + 20901632.

It is an arithmetic number, because the mean of its divisors is an integer number (110618077980).

Almost surely, 2^442430519243 is an apocalyptic number.

442430519243 is a deficient number, since it is larger than the sum of its proper divisors (41792677).

442430519243 is a wasteful number, since it uses less digits than its factorization.

442430519243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41792676.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 442430519243 in words is "four hundred forty-two billion, four hundred thirty million, five hundred nineteen thousand, two hundred forty-three".