6748968881 has 4 divisors (see below), whose sum is σ = 6749210112. Its totient is φ = 6748727652.

The previous prime is 6748968859. The next prime is 6748968883. The reversal of 6748968881 is 1888698476.

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 6748968881 - 2³⁰ = 5675227057 is a prime.

It is a super-2 number, since 2×6748968881² = 91097161913412784322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6748968883) 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, 72161 + ... + 136766.

It is an arithmetic number, because the mean of its divisors is an integer number (1687302528).

Almost surely, 2^6748968881 is an apocalyptic number.

It is an amenable number.

6748968881 is a deficient number, since it is larger than the sum of its proper divisors (241231).

6748968881 is a wasteful number, since it uses less digits than its factorization.

6748968881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241230.

The product of its digits is 37158912, while the sum is 65.

The square root of 6748968881 is about 82152.1081957122. The cubic root of 6748968881 is about 1889.7853381986.

The spelling of 6748968881 in words is "six billion, seven hundred forty-eight million, nine hundred sixty-eight thousand, eight hundred eighty-one".