6884999969 has 2 divisors, whose sum is σ = 6884999970. Its totient is φ = 6884999968.

The previous prime is 6884999951. The next prime is 6885000011. The reversal of 6884999969 is 9699994886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6708429025 + 176570944 = 81905^2 + 13288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6884999969 is a prime.

It is a super-2 number, since 2×6884999969² = 94806449146260001922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6884999969.

It is not a weakly prime, because it can be changed into another prime (6884399969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3442499984 + 3442499985.

It is an arithmetic number, because the mean of its divisors is an integer number (3442499985).

Almost surely, 2^6884999969 is an apocalyptic number.

It is an amenable number.

6884999969 is a deficient number, since it is larger than the sum of its proper divisors (1).

6884999969 is an equidigital number, since it uses as much as digits as its factorization.

6884999969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544195584, while the sum is 77.

The square root of 6884999969 is about 82975.8999288348. The cubic root of 6884999969 is about 1902.3977087603.

The spelling of 6884999969 in words is "six billion, eight hundred eighty-four million, nine hundred ninety-nine thousand, nine hundred sixty-nine".