7172443109 has 8 divisors (see below), whose sum is σ = 7726172160. Its totient is φ = 6619000176.

The previous prime is 7172443099. The next prime is 7172443111. The reversal of 7172443109 is 9013442717.

It is a happy number.

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 7172443109 - 2⁴ = 7172443093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7172443709) 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, 17969 + ... + 121110.

It is an arithmetic number, because the mean of its divisors is an integer number (965771520).

Almost surely, 2^7172443109 is an apocalyptic number.

It is an amenable number.

7172443109 is a deficient number, since it is larger than the sum of its proper divisors (553729051).

7172443109 is a wasteful number, since it uses less digits than its factorization.

7172443109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143059.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 7172443109 is about 84690.2775352638. The cubic root of 7172443109 is about 1928.5121116741.

The spelling of 7172443109 in words is "seven billion, one hundred seventy-two million, four hundred forty-three thousand, one hundred nine".