6884666969 has 2 divisors, whose sum is σ = 6884666970. Its totient is φ = 6884666968.

The previous prime is 6884666947. The next prime is 6884667029. The reversal of 6884666969 is 9696664886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5032483600 + 1852183369 = 70940^2 + 43037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6884666969 is a prime.

It is a super-2 number, since 2×6884666969² = 94797278548079293922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6884666899 and 6884666908.

It is not a weakly prime, because it can be changed into another prime (6884666939) 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 as a sum of consecutive naturals, namely, 3442333484 + 3442333485.

It is an arithmetic number, because the mean of its divisors is an integer number (3442333485).

Almost surely, 2^6884666969 is an apocalyptic number.

It is an amenable number.

6884666969 is a deficient number, since it is larger than the sum of its proper divisors (1).

6884666969 is an equidigital number, since it uses as much as digits as its factorization.

6884666969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161243136, while the sum is 68.

The square root of 6884666969 is about 82973.8932978319. The cubic root of 6884666969 is about 1902.3670378015.

The spelling of 6884666969 in words is "six billion, eight hundred eighty-four million, six hundred sixty-six thousand, nine hundred sixty-nine".