6397347969 has 12 divisors (see below), whose sum is σ = 9270717456. Its totient is φ = 4251004632.

The previous prime is 6397347967. The next prime is 6397347973. The reversal of 6397347969 is 9697437936.

6397347969 is a `hidden beast` number, since 6 + 39 + 73 + 479 + 69 = 666.

It is not a de Polignac number, because 6397347969 - 2¹ = 6397347967 is a prime.

It is a super-2 number, since 2×6397347969² = 81852122072936849922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6397347961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1154919 + ... + 1160444.

It is an arithmetic number, because the mean of its divisors is an integer number (772559788).

Almost surely, 2^6397347969 is an apocalyptic number.

It is an amenable number.

6397347969 is a deficient number, since it is larger than the sum of its proper divisors (2873369487).

6397347969 is a wasteful number, since it uses less digits than its factorization.

6397347969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315676 (or 2315673 counting only the distinct ones).

The product of its digits is 46294416, while the sum is 63.

The square root of 6397347969 is about 79983.4230887876. The cubic root of 6397347969 is about 1856.3790472335.

The spelling of 6397347969 in words is "six billion, three hundred ninety-seven million, three hundred forty-seven thousand, nine hundred sixty-nine".