43043321604 has 12 divisors (see below), whose sum is σ = 100434417104. Its totient is φ = 14347773864.

The previous prime is 43043321593. The next prime is 43043321609. The reversal of 43043321604 is 40612334034.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (43043321609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1793471722 + ... + 1793471745.

Almost surely, 2^43043321604 is an apocalyptic number.

It is an amenable number.

43043321604 is an abundant number, since it is smaller than the sum of its proper divisors (57391095500).

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

43043321604 is a wasteful number, since it uses less digits than its factorization.

43043321604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586943474 (or 3586943472 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 43043321604 its reverse (40612334034), we get a palindrome (83655655638).

The spelling of 43043321604 in words is "forty-three billion, forty-three million, three hundred twenty-one thousand, six hundred four".