442843089601 has 4 divisors (see below), whose sum is σ = 483101552304. Its totient is φ = 402584626900.

The previous prime is 442843089581. The next prime is 442843089617. The reversal of 442843089601 is 106980348244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 442843089601 - 2²⁷ = 442708871873 is a prime.

It is a super-2 number, since 2×442843089601² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442843081601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20129231335 + ... + 20129231356.

It is an arithmetic number, because the mean of its divisors is an integer number (120775388076).

Almost surely, 2^442843089601 is an apocalyptic number.

It is an amenable number.

442843089601 is a deficient number, since it is larger than the sum of its proper divisors (40258462703).

442843089601 is a wasteful number, since it uses less digits than its factorization.

442843089601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40258462702.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 442843089601 in words is "four hundred forty-two billion, eight hundred forty-three million, eighty-nine thousand, six hundred one".