6871947673 has 2 divisors, whose sum is σ = 6871947674. Its totient is φ = 6871947672.

The previous prime is 6871947653. The next prime is 6871947679. The reversal of 6871947673 is 3767491786.

6871947673 is nontrivially palindromic in base 4.

6871947673 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6016794624 + 855153049 = 77568^2 + 29243^2 .

It is a cyclic number.

It is not a de Polignac number, because 6871947673 - 2⁹ = 6871947161 is a prime.

It is a super-2 number, since 2×6871947673² = 94447329640900229858, which contains 22 as substring.

6871947673 is an undulating number in base 4.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (6871947679) 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 as a sum of consecutive naturals, namely, 3435973836 + 3435973837.

It is an arithmetic number, because the mean of its divisors is an integer number (3435973837).

Almost surely, 2^6871947673 is an apocalyptic number.

It is an amenable number.

6871947673 is a deficient number, since it is larger than the sum of its proper divisors (1).

6871947673 is an equidigital number, since it uses as much as digits as its factorization.

6871947673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10668672, while the sum is 58.

The square root of 6871947673 is about 82897.2114910990. The cubic root of 6871947673 is about 1901.1947861925.

The spelling of 6871947673 in words is "six billion, eight hundred seventy-one million, nine hundred forty-seven thousand, six hundred seventy-three".