6823255609 has 27 divisors (see below), whose sum is σ = 7486968333. Its totient is φ = 6217032192.

The previous prime is 6823255603. The next prime is 6823255613. The reversal of 6823255609 is 9065523286.

The square root of 6823255609 is 82603.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 832495609 + 5990760000 = 28853^2 + 77400^2 .

It is not a de Polignac number, because 6823255609 - 2¹¹ = 6823253561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6823255603) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 60382737 + ... + 60382849.

Almost surely, 2^6823255609 is an apocalyptic number.

6823255609 is the 82603-rd square number.

6823255609 is the 41302-nd centered octagonal number.

It is an amenable number.

6823255609 is a deficient number, since it is larger than the sum of its proper divisors (663712724).

6823255609 is an equidigital number, since it uses as much as digits as its factorization.

6823255609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 46.

The cubic root of 6823255609 is about 1896.6937522510.

The spelling of 6823255609 in words is "six billion, eight hundred twenty-three million, two hundred fifty-five thousand, six hundred nine".