6797408409856 has 81 divisors (see below), whose sum is σ = 13867092924139. Its totient is φ = 3325431905792.

The previous prime is 6797408409793. The next prime is 6797408409917. The reversal of 6797408409856 is 6589048047976.

The square root of 6797408409856 is 2607184.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×6797408409856² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 1960600635 + ... + 1960604101.

Almost surely, 2^{6797408409856} is an apocalyptic number.

6797408409856 is the 2607184-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6797408409856

6797408409856 is an abundant number, since it is smaller than the sum of its proper divisors (7069684514283).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6797408409856 is an frugal number, since it uses more digits than its factorization.

6797408409856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7044 (or 3516 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 73.

The spelling of 6797408409856 in words is "six trillion, seven hundred ninety-seven billion, four hundred eight million, four hundred nine thousand, eight hundred fifty-six".