6868916279 has 2 divisors, whose sum is σ = 6868916280. Its totient is φ = 6868916278.

The previous prime is 6868916269. The next prime is 6868916321. The reversal of 6868916279 is 9726198686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6868916279 - 2¹⁶ = 6868850743 is a prime.

It is a super-2 number, since 2×6868916279² = 94364021695822411682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6868916269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3434458139 + 3434458140.

It is an arithmetic number, because the mean of its divisors is an integer number (3434458140).

Almost surely, 2^6868916279 is an apocalyptic number.

6868916279 is a deficient number, since it is larger than the sum of its proper divisors (1).

6868916279 is an equidigital number, since it uses as much as digits as its factorization.

6868916279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 62.

The square root of 6868916279 is about 82878.9254213639. The cubic root of 6868916279 is about 1900.9151896650.

The spelling of 6868916279 in words is "six billion, eight hundred sixty-eight million, nine hundred sixteen thousand, two hundred seventy-nine".