6172102209 has 16 divisors (see below), whose sum is σ = 10128578432. Its totient is φ = 3255614208.

The previous prime is 6172102193. The next prime is 6172102213. The reversal of 6172102209 is 9022012716.

6172102209 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6172102209 - 2⁴ = 6172102193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6172102249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11303944 + ... + 11304489.

It is an arithmetic number, because the mean of its divisors is an integer number (633036152).

Almost surely, 2^6172102209 is an apocalyptic number.

It is an amenable number.

6172102209 is a deficient number, since it is larger than the sum of its proper divisors (3956476223).

6172102209 is a wasteful number, since it uses less digits than its factorization.

6172102209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22608456.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 6172102209 is about 78562.7278612447. The cubic root of 6172102209 is about 1834.3309892069.

The spelling of 6172102209 in words is "six billion, one hundred seventy-two million, one hundred two thousand, two hundred nine".