43314683821 has 4 divisors (see below), whose sum is σ = 43411153500. Its totient is φ = 43218214144.

The previous prime is 43314683813. The next prime is 43314683827. The reversal of 43314683821 is 12838641334.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33516455625 + 9798228196 = 183075^2 + 98986^2 .

It is a cyclic number.

It is not a de Polignac number, because 43314683821 - 2³ = 43314683813 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 (43314683827) 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 3 ways as a sum of consecutive naturals, for example, 48234166 + ... + 48235063.

It is an arithmetic number, because the mean of its divisors is an integer number (10852788375).

Almost surely, 2^43314683821 is an apocalyptic number.

It is an amenable number.

43314683821 is a deficient number, since it is larger than the sum of its proper divisors (96469679).

43314683821 is an equidigital number, since it uses as much as digits as its factorization.

43314683821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96469678.

The product of its digits is 331776, while the sum is 43.

The spelling of 43314683821 in words is "forty-three billion, three hundred fourteen million, six hundred eighty-three thousand, eight hundred twenty-one".