43442003634213 has 16 divisors (see below), whose sum is σ = 58465781570240. Its totient is φ = 28689887176704.

The previous prime is 43442003634191. The next prime is 43442003634241. The reversal of 43442003634213 is 31243630024434.

It is not a de Polignac number, because 43442003634213 - 2¹⁸ = 43442003372069 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 (43442003634283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11670931 + ... + 14936352.

It is an arithmetic number, because the mean of its divisors is an integer number (3654111348140).

Almost surely, 2^{43442003634213} is an apocalyptic number.

It is an amenable number.

43442003634213 is a deficient number, since it is larger than the sum of its proper divisors (15023777936027).

43442003634213 is a wasteful number, since it uses less digits than its factorization.

43442003634213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26612388.

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 43442003634213 its reverse (31243630024434), we get a palindrome (74685633658647).

The spelling of 43442003634213 in words is "forty-three trillion, four hundred forty-two billion, three million, six hundred thirty-four thousand, two hundred thirteen".