43043354505 has 32 divisors (see below), whose sum is σ = 76626950400. Its totient is φ = 22924826496.

The previous prime is 43043354483. The next prime is 43043354513. The reversal of 43043354505 is 50545334034.

It is a de Polignac number, because none of the positive numbers 2^k-43043354505 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43043354505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121140 + ... + 317429.

It is an arithmetic number, because the mean of its divisors is an integer number (2394592200).

Almost surely, 2^43043354505 is an apocalyptic number.

43043354505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

43043354505 is a deficient number, since it is larger than the sum of its proper divisors (33583595895).

43043354505 is a wasteful number, since it uses less digits than its factorization.

43043354505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439310 (or 439304 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

Adding to 43043354505 its reverse (50545334034), we get a palindrome (93588688539).

The spelling of 43043354505 in words is "forty-three billion, forty-three million, three hundred fifty-four thousand, five hundred five".