6843814469 has 4 divisors (see below), whose sum is σ = 6860881740. Its totient is φ = 6826747200.

The previous prime is 6843814447. The next prime is 6843814489. The reversal of 6843814469 is 9644183486.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3931917025 + 2911897444 = 62705^2 + 53962^2 .

It is a cyclic number.

It is not a de Polignac number, because 6843814469 - 2⁸ = 6843814213 is a prime.

It is a super-2 number, since 2×6843814469² = 93675592972187503922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6843814469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6843814489) 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 in 3 ways as a sum of consecutive naturals, for example, 8533034 + ... + 8533835.

It is an arithmetic number, because the mean of its divisors is an integer number (1715220435).

Almost surely, 2^6843814469 is an apocalyptic number.

It is an amenable number.

6843814469 is a deficient number, since it is larger than the sum of its proper divisors (17067271).

6843814469 is a wasteful number, since it uses less digits than its factorization.

6843814469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17067270.

The product of its digits is 3981312, while the sum is 53.

The square root of 6843814469 is about 82727.3501872265. The cubic root of 6843814469 is about 1898.5967911811.

The spelling of 6843814469 in words is "six billion, eight hundred forty-three million, eight hundred fourteen thousand, four hundred sixty-nine".