5333640821 has 8 divisors (see below), whose sum is σ = 5757454080. Its totient is φ = 4925820592.

The previous prime is 5333640797. The next prime is 5333640833. The reversal of 5333640821 is 1280463335.

5333640821 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 a cyclic number.

It is not a de Polignac number, because 5333640821 - 2⁶ = 5333640757 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 (5333646821) 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, 3997565 + ... + 3998898.

It is an arithmetic number, because the mean of its divisors is an integer number (719681760).

Almost surely, 2^5333640821 is an apocalyptic number.

It is an amenable number.

5333640821 is a deficient number, since it is larger than the sum of its proper divisors (423813259).

5333640821 is a wasteful number, since it uses less digits than its factorization.

5333640821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7996515.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 5333640821 is about 73031.7795278193. The cubic root of 5333640821 is about 1747.1945057297.

The spelling of 5333640821 in words is "five billion, three hundred thirty-three million, six hundred forty thousand, eight hundred twenty-one".