5328808921 has 4 divisors (see below), whose sum is σ = 5333685412. Its totient is φ = 5323932432.

The previous prime is 5328808819. The next prime is 5328808943. The reversal of 5328808921 is 1298088235.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2760346521 + 2568462400 = 52539^2 + 50680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5328808921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5328808421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2436606 + ... + 2438791.

It is an arithmetic number, because the mean of its divisors is an integer number (1333421353).

Almost surely, 2^5328808921 is an apocalyptic number.

It is an amenable number.

5328808921 is a deficient number, since it is larger than the sum of its proper divisors (4876491).

5328808921 is a wasteful number, since it uses less digits than its factorization.

5328808921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4876490.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 5328808921 is about 72998.6912279939. The cubic root of 5328808921 is about 1746.6667349214. Note that the first 3 decimals are identical.

The spelling of 5328808921 in words is "five billion, three hundred twenty-eight million, eight hundred eight thousand, nine hundred twenty-one".