6497973784 has 16 divisors (see below), whose sum is σ = 12900389400. Its totient is φ = 3057869952.

The previous prime is 6497973701. The next prime is 6497973793. The reversal of 6497973784 is 4873797946.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23889474 + ... + 23889745.

Almost surely, 2^6497973784 is an apocalyptic number.

It is an amenable number.

6497973784 is a deficient number, since it is larger than the sum of its proper divisors (6402415616).

6497973784 is a wasteful number, since it uses less digits than its factorization.

6497973784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47779242 (or 47779238 counting only the distinct ones).

The product of its digits is 64012032, while the sum is 64.

The square root of 6497973784 is about 80610.0104453535. The cubic root of 6497973784 is about 1866.0616384135.

The spelling of 6497973784 in words is "six billion, four hundred ninety-seven million, nine hundred seventy-three thousand, seven hundred eighty-four".