6397747199 has 2 divisors, whose sum is σ = 6397747200. Its totient is φ = 6397747198.

The previous prime is 6397747193. The next prime is 6397747259. The reversal of 6397747199 is 9917477936.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6397747199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6397747193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3198873599 + 3198873600.

It is an arithmetic number, because the mean of its divisors is an integer number (3198873600).

Almost surely, 2^6397747199 is an apocalyptic number.

6397747199 is a deficient number, since it is larger than the sum of its proper divisors (1).

6397747199 is an equidigital number, since it uses as much as digits as its factorization.

6397747199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18003384, while the sum is 62.

The square root of 6397747199 is about 79985.9187544908. The cubic root of 6397747199 is about 1856.4176625470.

The spelling of 6397747199 in words is "six billion, three hundred ninety-seven million, seven hundred forty-seven thousand, one hundred ninety-nine".