4173944009 has 4 divisors (see below), whose sum is σ = 4190573520. Its totient is φ = 4157314500.

The previous prime is 4173943973. The next prime is 4173944011. The reversal of 4173944009 is 9004493714.

4173944009 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 4173944009 - 2²⁸ = 3905508553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4173944069) 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, 8314379 + ... + 8314880.

It is an arithmetic number, because the mean of its divisors is an integer number (1047643380).

Almost surely, 2^4173944009 is an apocalyptic number.

It is an amenable number.

4173944009 is a deficient number, since it is larger than the sum of its proper divisors (16629511).

4173944009 is a wasteful number, since it uses less digits than its factorization.

4173944009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16629510.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 4173944009 is about 64606.0678961350. The cubic root of 4173944009 is about 1610.0852556990.

The spelling of 4173944009 in words is "four billion, one hundred seventy-three million, nine hundred forty-four thousand, nine".