6864938671 has 4 divisors (see below), whose sum is σ = 7050477592. Its totient is φ = 6679399752.

The previous prime is 6864938669. The next prime is 6864938681. The reversal of 6864938671 is 1768394686.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1768394686 = 2 ⋅884197343.

It is a cyclic number.

It is not a de Polignac number, because 6864938671 - 2¹ = 6864938669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6864938681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92769405 + ... + 92769478.

It is an arithmetic number, because the mean of its divisors is an integer number (1762619398).

Almost surely, 2^6864938671 is an apocalyptic number.

6864938671 is a deficient number, since it is larger than the sum of its proper divisors (185538921).

6864938671 is a wasteful number, since it uses less digits than its factorization.

6864938671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185538920.

The product of its digits is 10450944, while the sum is 58.

The square root of 6864938671 is about 82854.9254480384. The cubic root of 6864938671 is about 1900.5481955568.

The spelling of 6864938671 in words is "six billion, eight hundred sixty-four million, nine hundred thirty-eight thousand, six hundred seventy-one".