5284245220021 has 2 divisors, whose sum is σ = 5284245220022. Its totient is φ = 5284245220020.

The previous prime is 5284245219997. The next prime is 5284245220027. The reversal of 5284245220021 is 1200225424825.

It is a happy number.

5284245220021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4904032395025 + 380212824996 = 2214505^2 + 616614^2 .

It is a cyclic number.

It is not a de Polignac number, because 5284245220021 - 2⁹ = 5284245219509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5284245220027) 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, 2642122610010 + 2642122610011.

It is an arithmetic number, because the mean of its divisors is an integer number (2642122610011).

Almost surely, 2^{5284245220021} is an apocalyptic number.

It is an amenable number.

5284245220021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5284245220021 is an equidigital number, since it uses as much as digits as its factorization.

5284245220021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102400, while the sum is 37.

The spelling of 5284245220021 in words is "five trillion, two hundred eighty-four billion, two hundred forty-five million, two hundred twenty thousand, twenty-one".