5324421050021 has 2 divisors, whose sum is σ = 5324421050022. Its totient is φ = 5324421050020.

The previous prime is 5324421049973. The next prime is 5324421050023. The reversal of 5324421050021 is 1200501244235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2805172768225 + 2519248281796 = 1674865^2 + 1587214^2 .

It is a cyclic number.

It is not a de Polignac number, because 5324421050021 - 2¹⁸ = 5324420787877 is a prime.

It is a super-3 number, since 3×5324421050021³ (a number of 39 digits) contains 333 as substring.

Together with 5324421050023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5324421050023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2662210525010 + 2662210525011.

It is an arithmetic number, because the mean of its divisors is an integer number (2662210525011).

Almost surely, 2^{5324421050021} is an apocalyptic number.

It is an amenable number.

5324421050021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5324421050021 is an equidigital number, since it uses as much as digits as its factorization.

5324421050021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 5324421050021 its reverse (1200501244235), we get a palindrome (6524922294256).

The spelling of 5324421050021 in words is "five trillion, three hundred twenty-four billion, four hundred twenty-one million, fifty thousand, twenty-one".