43013022209 has 8 divisors (see below), whose sum is σ = 45551704968. Its totient is φ = 40475284480.

The previous prime is 43013022193. The next prime is 43013022233. The reversal of 43013022209 is 90222031034.

It can be written as a sum of positive squares in 4 ways, for example, as 823862209 + 42189160000 = 28703^2 + 205400^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43013022209 - 2⁴ = 43013022193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43013022509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141452 + ... + 325629.

It is an arithmetic number, because the mean of its divisors is an integer number (5693963121).

Almost surely, 2^43013022209 is an apocalyptic number.

It is an amenable number.

43013022209 is a deficient number, since it is larger than the sum of its proper divisors (2538682759).

43013022209 is a wasteful number, since it uses less digits than its factorization.

43013022209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472515.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 43013022209 in words is "forty-three billion, thirteen million, twenty-two thousand, two hundred nine".