442873013 has 8 divisors (see below), whose sum is σ = 483312096. Its totient is φ = 402463600.

The previous prime is 442872923. The next prime is 442873031. The reversal of 442873013 is 310378244.

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

It is not a de Polignac number, because 442873013 - 2¹² = 442868917 is a prime.

It is a super-2 number, since 2×442873013² = 392273011287396338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442870013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33770 + ... + 45012.

It is an arithmetic number, because the mean of its divisors is an integer number (60414012).

Almost surely, 2^442873013 is an apocalyptic number.

It is an amenable number.

442873013 is a deficient number, since it is larger than the sum of its proper divisors (40439083).

442873013 is a wasteful number, since it uses less digits than its factorization.

442873013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14835.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 442873013 is about 21044.5482964116. The cubic root of 442873013 is about 762.2423462713.

The spelling of 442873013 in words is "four hundred forty-two million, eight hundred seventy-three thousand, thirteen".