6497737968447 has 12 divisors (see below), whose sum is σ = 10238859829224. Its totient is φ = 3938023011120.

The previous prime is 6497737968443. The next prime is 6497737968457. The reversal of 6497737968447 is 7448697377946.

6497737968447 is a `hidden beast` number, since 6 + 49 + 7 + 7 + 3 + 79 + 68 + 447 = 666.

It is not a de Polignac number, because 6497737968447 - 2² = 6497737968443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6497737968443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32816858328 + ... + 32816858525.

It is an arithmetic number, because the mean of its divisors is an integer number (853238319102).

Almost surely, 2^{6497737968447} is an apocalyptic number.

6497737968447 is a deficient number, since it is larger than the sum of its proper divisors (3741121860777).

6497737968447 is a wasteful number, since it uses less digits than its factorization.

6497737968447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65633716870 (or 65633716867 counting only the distinct ones).

The product of its digits is 10754021376, while the sum is 81.

The spelling of 6497737968447 in words is "six trillion, four hundred ninety-seven billion, seven hundred thirty-seven million, nine hundred sixty-eight thousand, four hundred forty-seven".