6172396189 has 2 divisors, whose sum is σ = 6172396190. Its totient is φ = 6172396188.

The previous prime is 6172396157. The next prime is 6172396253. The reversal of 6172396189 is 9816932716.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3620428900 + 2551967289 = 60170^2 + 50517^2 .

It is a cyclic number.

It is not a de Polignac number, because 6172396189 - 2⁵ = 6172396157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6172396889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3086198094 + 3086198095.

It is an arithmetic number, because the mean of its divisors is an integer number (3086198095).

Almost surely, 2^6172396189 is an apocalyptic number.

It is an amenable number.

6172396189 is a deficient number, since it is larger than the sum of its proper divisors (1).

6172396189 is an equidigital number, since it uses as much as digits as its factorization.

6172396189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 52.

The square root of 6172396189 is about 78564.5988279709. The cubic root of 6172396189 is about 1834.3601120808.

The spelling of 6172396189 in words is "six billion, one hundred seventy-two million, three hundred ninety-six thousand, one hundred eighty-nine".