443440143213 has 8 divisors (see below), whose sum is σ = 591837194208. Its totient is φ = 295334927184.

The previous prime is 443440143173. The next prime is 443440143323. The reversal of 443440143213 is 312341044344.

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

It is not a de Polignac number, because 443440143213 - 2¹² = 443440139117 is a prime.

It is a super-2 number, since 2×443440143213² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443440183213) 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, 72955195 + ... + 72961272.

It is an arithmetic number, because the mean of its divisors is an integer number (73979649276).

Almost surely, 2^443440143213 is an apocalyptic number.

It is an amenable number.

443440143213 is a deficient number, since it is larger than the sum of its proper divisors (148397050995).

443440143213 is a wasteful number, since it uses less digits than its factorization.

443440143213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145917483.

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

Adding to 443440143213 its reverse (312341044344), we get a palindrome (755781187557).

The spelling of 443440143213 in words is "four hundred forty-three billion, four hundred forty million, one hundred forty-three thousand, two hundred thirteen".