6397336697 has 4 divisors (see below), whose sum is σ = 6400918416. Its totient is φ = 6393754980.

The previous prime is 6397336637. The next prime is 6397336747. The reversal of 6397336697 is 7966337936.

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 6397336697 - 2⁸ = 6397336441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6397336637) 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, 1788179 + ... + 1791752.

It is an arithmetic number, because the mean of its divisors is an integer number (1600229604).

Almost surely, 2^6397336697 is an apocalyptic number.

It is an amenable number.

6397336697 is a deficient number, since it is larger than the sum of its proper divisors (3581719).

6397336697 is a wasteful number, since it uses less digits than its factorization.

6397336697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581718.

The product of its digits is 23147208, while the sum is 59.

The square root of 6397336697 is about 79983.3526241555. The cubic root of 6397336697 is about 1856.3779569319.

The spelling of 6397336697 in words is "six billion, three hundred ninety-seven million, three hundred thirty-six thousand, six hundred ninety-seven".