6245172191 has 2 divisors, whose sum is σ = 6245172192. Its totient is φ = 6245172190.

The previous prime is 6245172179. The next prime is 6245172211. The reversal of 6245172191 is 1912715426.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6245172191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6245174191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3122586095 + 3122586096.

It is an arithmetic number, because the mean of its divisors is an integer number (3122586096).

Almost surely, 2^6245172191 is an apocalyptic number.

6245172191 is a deficient number, since it is larger than the sum of its proper divisors (1).

6245172191 is an equidigital number, since it uses as much as digits as its factorization.

6245172191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 38.

The square root of 6245172191 is about 79026.4018603909. The cubic root of 6245172191 is about 1841.5413391352.

The spelling of 6245172191 in words is "six billion, two hundred forty-five million, one hundred seventy-two thousand, one hundred ninety-one".