6743123191 has 6 divisors (see below), whose sum is σ = 7844041320. Its totient is φ = 5779819836.

The previous prime is 6743123173. The next prime is 6743123197. The reversal of 6743123191 is 1913213476.

It is not a de Polignac number, because 6743123191 - 2⁹ = 6743122679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6743123191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6743123197) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68807331 + ... + 68807428.

It is an arithmetic number, because the mean of its divisors is an integer number (1307340220).

Almost surely, 2^6743123191 is an apocalyptic number.

6743123191 is a deficient number, since it is larger than the sum of its proper divisors (1100918129).

6743123191 is a wasteful number, since it uses less digits than its factorization.

6743123191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137614773 (or 137614766 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 6743123191 is about 82116.5220342411. The cubic root of 6743123191 is about 1889.2395614781.

The spelling of 6743123191 in words is "six billion, seven hundred forty-three million, one hundred twenty-three thousand, one hundred ninety-one".