444132324213 has 4 divisors (see below), whose sum is σ = 592176432288. Its totient is φ = 296088216140.

The previous prime is 444132324179. The next prime is 444132324221. The reversal of 444132324213 is 312423231444.

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 a de Polignac number, because none of the positive numbers 2^k-444132324213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444132324113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74022054033 + ... + 74022054038.

It is an arithmetic number, because the mean of its divisors is an integer number (148044108072).

Almost surely, 2^444132324213 is an apocalyptic number.

It is an amenable number.

444132324213 is a deficient number, since it is larger than the sum of its proper divisors (148044108075).

444132324213 is a wasteful number, since it uses less digits than its factorization.

444132324213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148044108074.

The product of its digits is 55296, while the sum is 33.

Adding to 444132324213 its reverse (312423231444), we get a palindrome (756555555657).

The spelling of 444132324213 in words is "four hundred forty-four billion, one hundred thirty-two million, three hundred twenty-four thousand, two hundred thirteen".