442698013 has 8 divisors (see below), whose sum is σ = 448864416. Its totient is φ = 436551600.

The previous prime is 442698001. The next prime is 442698019. The reversal of 442698013 is 310896244.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442698013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442698019) 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, 42723 + ... + 52063.

It is an arithmetic number, because the mean of its divisors is an integer number (56108052).

Almost surely, 2^442698013 is an apocalyptic number.

It is an amenable number.

442698013 is a deficient number, since it is larger than the sum of its proper divisors (6166403).

442698013 is an equidigital number, since it uses as much as digits as its factorization.

442698013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9995.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 442698013 is about 21040.3900391604. The cubic root of 442698013 is about 762.1419337524.

The spelling of 442698013 in words is "four hundred forty-two million, six hundred ninety-eight thousand, thirteen".