444434322013 has 8 divisors (see below), whose sum is σ = 484848463680. Its totient is φ = 404022017280.

The previous prime is 444434321971. The next prime is 444434322019. The reversal of 444434322013 is 310223434444.

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 444434322013 - 2²⁵ = 444400767581 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 444434322013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444434322019) 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, 73533 + ... + 945661.

It is an arithmetic number, because the mean of its divisors is an integer number (60606057960).

Almost surely, 2^444434322013 is an apocalyptic number.

It is an amenable number.

444434322013 is a deficient number, since it is larger than the sum of its proper divisors (40414141667).

444434322013 is a wasteful number, since it uses less digits than its factorization.

444434322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918467.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 444434322013 its reverse (310223434444), we get a palindrome (754657756457).

The spelling of 444434322013 in words is "four hundred forty-four billion, four hundred thirty-four million, three hundred twenty-two thousand, thirteen".