442392428593 has 8 divisors (see below), whose sum is σ = 457717815296. Its totient is φ = 427132958400.

The previous prime is 442392428581. The next prime is 442392428603. The reversal of 442392428593 is 395824293244.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442392428593 - 2¹⁷ = 442392297521 is a prime.

It is a super-2 number, since 2×442392428593² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442392428563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16465473 + ... + 16492318.

It is an arithmetic number, because the mean of its divisors is an integer number (57214726912).

Almost surely, 2^442392428593 is an apocalyptic number.

It is an amenable number.

442392428593 is a deficient number, since it is larger than the sum of its proper divisors (15325386703).

442392428593 is a wasteful number, since it uses less digits than its factorization.

442392428593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32958255.

The product of its digits is 14929920, while the sum is 55.

The spelling of 442392428593 in words is "four hundred forty-two billion, three hundred ninety-two million, four hundred twenty-eight thousand, five hundred ninety-three".