6804620421 has 8 divisors (see below), whose sum is σ = 9075144000. Its totient is φ = 4535255232.

The previous prime is 6804620393. The next prime is 6804620429. The reversal of 6804620421 is 1240264086.

6804620421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6804620421 - 2⁷ = 6804620293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6804620429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275796 + ... + 299453.

It is an arithmetic number, because the mean of its divisors is an integer number (1134393000).

Almost surely, 2^6804620421 is an apocalyptic number.

It is an amenable number.

6804620421 is a deficient number, since it is larger than the sum of its proper divisors (2270523579).

6804620421 is a wasteful number, since it uses less digits than its factorization.

6804620421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579195.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 6804620421 is about 82490.1231724138. The cubic root of 6804620421 is about 1894.9654731099.

The spelling of 6804620421 in words is "six billion, eight hundred four million, six hundred twenty thousand, four hundred twenty-one".