6397747201 has 4 divisors (see below), whose sum is σ = 6398304304. Its totient is φ = 6397190100.

The previous prime is 6397747199. The next prime is 6397747259. The reversal of 6397747201 is 1027477936.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6397747201 - 2¹ = 6397747199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6397747271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260955 + ... + 284416.

It is an arithmetic number, because the mean of its divisors is an integer number (1599576076).

Almost surely, 2^6397747201 is an apocalyptic number.

It is an amenable number.

6397747201 is a deficient number, since it is larger than the sum of its proper divisors (557103).

6397747201 is a wasteful number, since it uses less digits than its factorization.

6397747201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557102.

The product of its (nonzero) digits is 444528, while the sum is 46.

The square root of 6397747201 is about 79985.9187669930. The cubic root of 6397747201 is about 1856.4176627404.

The spelling of 6397747201 in words is "six billion, three hundred ninety-seven million, seven hundred forty-seven thousand, two hundred one".