43443634434 has 16 divisors (see below), whose sum is σ = 89235573888. Its totient is φ = 14089827312.

The previous prime is 43443634427. The next prime is 43443634439.

43443634434 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (43443634439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97845802 + ... + 97846245.

It is an arithmetic number, because the mean of its divisors is an integer number (5577223368).

Almost surely, 2^43443634434 is an apocalyptic number.

43443634434 is an abundant number, since it is smaller than the sum of its proper divisors (45791939454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43443634434 is a wasteful number, since it uses less digits than its factorization.

43443634434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195692089.

The product of its digits is 1990656, while the sum is 42.

The spelling of 43443634434 in words is "forty-three billion, four hundred forty-three million, six hundred thirty-four thousand, four hundred thirty-four".