6899331169 has 2 divisors, whose sum is σ = 6899331170. Its totient is φ = 6899331168.

The previous prime is 6899331163. The next prime is 6899331193. The reversal of 6899331169 is 9611339986.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6249693025 + 649638144 = 79055^2 + 25488^2 .

It is a cyclic number.

It is not a de Polignac number, because 6899331169 - 2³ = 6899331161 is a prime.

It is a super-2 number, since 2×6899331169² = 95201541159069813122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6899331161) 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, 3449665584 + 3449665585.

It is an arithmetic number, because the mean of its divisors is an integer number (3449665585).

Almost surely, 2^6899331169 is an apocalyptic number.

It is an amenable number.

6899331169 is a deficient number, since it is larger than the sum of its proper divisors (1).

6899331169 is an equidigital number, since it uses as much as digits as its factorization.

6899331169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 55.

The square root of 6899331169 is about 83062.2126420913. The cubic root of 6899331169 is about 1903.7167476125.

The spelling of 6899331169 in words is "six billion, eight hundred ninety-nine million, three hundred thirty-one thousand, one hundred sixty-nine".