6748206866881 has 4 divisors (see below), whose sum is σ = 6748901208000. Its totient is φ = 6747512525764.

The previous prime is 6748206866879. The next prime is 6748206866939. The reversal of 6748206866881 is 1886686028476.

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 6748206866881 - 2¹ = 6748206866879 is a prime.

It is a super-2 number, since 2×6748206866881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6748206866881.

It is not an unprimeable number, because it can be changed into a prime (6748206866081) 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 3 ways as a sum of consecutive naturals, for example, 347155981 + ... + 347175418.

It is an arithmetic number, because the mean of its divisors is an integer number (1687225302000).

Almost surely, 2^{6748206866881} is an apocalyptic number.

It is an amenable number.

6748206866881 is a deficient number, since it is larger than the sum of its proper divisors (694341119).

6748206866881 is an equidigital number, since it uses as much as digits as its factorization.

6748206866881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694341118.

The product of its (nonzero) digits is 297271296, while the sum is 70.

The spelling of 6748206866881 in words is "six trillion, seven hundred forty-eight billion, two hundred six million, eight hundred sixty-six thousand, eight hundred eighty-one".