5338228921 has 2 divisors, whose sum is σ = 5338228922. Its totient is φ = 5338228920.

The previous prime is 5338228919. The next prime is 5338228927. The reversal of 5338228921 is 1298228335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4036823296 + 1301405625 = 63536^2 + 36075^2 .

It is a cyclic number.

It is not a de Polignac number, because 5338228921 - 2¹ = 5338228919 is a prime.

Together with 5338228919, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5338228927) 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 as a sum of consecutive naturals, namely, 2669114460 + 2669114461.

It is an arithmetic number, because the mean of its divisors is an integer number (2669114461).

Almost surely, 2^5338228921 is an apocalyptic number.

It is an amenable number.

5338228921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5338228921 is an equidigital number, since it uses as much as digits as its factorization.

5338228921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 43.

The square root of 5338228921 is about 73063.1844433296. The cubic root of 5338228921 is about 1747.6953522050.

The spelling of 5338228921 in words is "five billion, three hundred thirty-eight million, two hundred twenty-eight thousand, nine hundred twenty-one".