6721268675 has 18 divisors (see below), whose sum is σ = 9160926684. Its totient is φ = 4888193200.

The previous prime is 6721268669. The next prime is 6721268683. The reversal of 6721268675 is 5768621276.

It is not a de Polignac number, because 6721268675 - 2⁶ = 6721268611 is a prime.

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 17 ways as a sum of consecutive naturals, for example, 1107929 + ... + 1113978.

Almost surely, 2^6721268675 is an apocalyptic number.

6721268675 is a deficient number, since it is larger than the sum of its proper divisors (2439658009).

6721268675 is a wasteful number, since it uses less digits than its factorization.

6721268675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221939 (or 2221923 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The square root of 6721268675 is about 81983.3438876459. The cubic root of 6721268675 is about 1887.1963390274.

The spelling of 6721268675 in words is "six billion, seven hundred twenty-one million, two hundred sixty-eight thousand, six hundred seventy-five".