43244421242209 has 4 divisors (see below), whose sum is σ = 47175732264240. Its totient is φ = 39313110220180.

The previous prime is 43244421242207. The next prime is 43244421242287. The reversal of 43244421242209 is 90224212444234.

43244421242209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43244421242209 - 2¹ = 43244421242207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43244421242203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1965655510999 + ... + 1965655511020.

It is an arithmetic number, because the mean of its divisors is an integer number (11793933066060).

Almost surely, 2^{43244421242209} is an apocalyptic number.

It is an amenable number.

43244421242209 is a deficient number, since it is larger than the sum of its proper divisors (3931311022031).

43244421242209 is a wasteful number, since it uses less digits than its factorization.

43244421242209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931311022030.

The product of its (nonzero) digits is 884736, while the sum is 43.

The spelling of 43244421242209 in words is "forty-three trillion, two hundred forty-four billion, four hundred twenty-one million, two hundred forty-two thousand, two hundred nine".