6804205901 has 8 divisors (see below), whose sum is σ = 6832533240. Its totient is φ = 6775921152.

The previous prime is 6804205883. The next prime is 6804205913. The reversal of 6804205901 is 1095024086.

It can be written as a sum of positive squares in 4 ways, for example, as 2452824676 + 4351381225 = 49526^2 + 65965^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6804205901 - 2¹⁰ = 6804204877 is a prime.

It is a super-3 number, since 3×6804205901³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6804205951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332165 + ... + 352053.

It is an arithmetic number, because the mean of its divisors is an integer number (854066655).

Almost surely, 2^6804205901 is an apocalyptic number.

It is an amenable number.

6804205901 is a deficient number, since it is larger than the sum of its proper divisors (28327339).

6804205901 is a wasteful number, since it uses less digits than its factorization.

6804205901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21295.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 6804205901 is about 82487.6105909245. The cubic root of 6804205901 is about 1894.9269935185.

Adding to 6804205901 its reverse (1095024086), we get a palindrome (7899229987).

The spelling of 6804205901 in words is "six billion, eight hundred four million, two hundred five thousand, nine hundred one".