6804852398021 has 8 divisors (see below), whose sum is σ = 6815088639744. Its totient is φ = 6794623802160.

The previous prime is 6804852398017. The next prime is 6804852398053. The reversal of 6804852398021 is 1208932584086.

It is a happy number.

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 6804852398021 - 2² = 6804852398017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6804852398011) 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, 128870 + ... + 3691383.

It is an arithmetic number, because the mean of its divisors is an integer number (851886079968).

Almost surely, 2^{6804852398021} is an apocalyptic number.

It is an amenable number.

6804852398021 is a deficient number, since it is larger than the sum of its proper divisors (10236241723).

6804852398021 is a wasteful number, since it uses less digits than its factorization.

6804852398021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822931.

The product of its (nonzero) digits is 6635520, while the sum is 56.

The spelling of 6804852398021 in words is "six trillion, eight hundred four billion, eight hundred fifty-two million, three hundred ninety-eight thousand, twenty-one".