43443434141 has 4 divisors (see below), whose sum is σ = 43551772284. Its totient is φ = 43335096000.

The previous prime is 43443434123. The next prime is 43443434147. The reversal of 43443434141 is 14143434434.

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 42923138041 + 520296100 = 207179^2 + 22810^2 .

It is a cyclic number.

It is not a de Polignac number, because 43443434141 - 2²⁶ = 43376325277 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 (43443434147) 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, 54168470 + ... + 54169271.

It is an arithmetic number, because the mean of its divisors is an integer number (10887943071).

Almost surely, 2^43443434141 is an apocalyptic number.

It is an amenable number.

43443434141 is a deficient number, since it is larger than the sum of its proper divisors (108338143).

43443434141 is a wasteful number, since it uses less digits than its factorization.

43443434141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108338142.

The product of its digits is 110592, while the sum is 35.

Adding to 43443434141 its reverse (14143434434), we get a palindrome (57586868575).

The spelling of 43443434141 in words is "forty-three billion, four hundred forty-three million, four hundred thirty-four thousand, one hundred forty-one".