6809064249 has 24 divisors (see below), whose sum is σ = 9848532960. Its totient is φ = 4182652032.

The previous prime is 6809064239. The next prime is 6809064253. The reversal of 6809064249 is 9424609086.

It is not a de Polignac number, because 6809064249 - 2²³ = 6800675641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6809064198 and 6809064207.

It is not an unprimeable number, because it can be changed into a prime (6809064239) 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 23 ways as a sum of consecutive naturals, for example, 276682 + ... + 300284.

It is an arithmetic number, because the mean of its divisors is an integer number (410355540).

Almost surely, 2^6809064249 is an apocalyptic number.

It is an amenable number.

6809064249 is a deficient number, since it is larger than the sum of its proper divisors (3039468711).

6809064249 is a wasteful number, since it uses less digits than its factorization.

6809064249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24201 (or 24188 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 6809064249 is about 82517.0542918250. The cubic root of 6809064249 is about 1895.3778923022.

The spelling of 6809064249 in words is "six billion, eight hundred nine million, sixty-four thousand, two hundred forty-nine".