43043422859 has 4 divisors (see below), whose sum is σ = 43044484560. Its totient is φ = 43042361160.

The previous prime is 43043422847. The next prime is 43043422937. The reversal of 43043422859 is 95822434034.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43043422859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43043422559) 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, 467519 + ... + 551960.

It is an arithmetic number, because the mean of its divisors is an integer number (10761121140).

Almost surely, 2^43043422859 is an apocalyptic number.

43043422859 is a deficient number, since it is larger than the sum of its proper divisors (1061701).

43043422859 is a wasteful number, since it uses less digits than its factorization.

43043422859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061700.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 43043422859 in words is "forty-three billion, forty-three million, four hundred twenty-two thousand, eight hundred fifty-nine".