6800725409 has 8 divisors (see below), whose sum is σ = 7025818368. Its totient is φ = 6575989680.

The previous prime is 6800725403. The next prime is 6800725411. The reversal of 6800725409 is 9045270086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6800725409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6800725403) 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 7 ways as a sum of consecutive naturals, for example, 50327 + ... + 127020.

It is an arithmetic number, because the mean of its divisors is an integer number (878227296).

Almost surely, 2^6800725409 is an apocalyptic number.

It is an amenable number.

6800725409 is a deficient number, since it is larger than the sum of its proper divisors (225092959).

6800725409 is a wasteful number, since it uses less digits than its factorization.

6800725409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178615.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 6800725409 is about 82466.5108331861. The cubic root of 6800725409 is about 1894.6038403004.

The spelling of 6800725409 in words is "six billion, eight hundred million, seven hundred twenty-five thousand, four hundred nine".