5424303515221 has 2 divisors, whose sum is σ = 5424303515222. Its totient is φ = 5424303515220.

The previous prime is 5424303515209. The next prime is 5424303515237. The reversal of 5424303515221 is 1225153034245.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4393593288100 + 1030710227121 = 2096090^2 + 1015239^2 .

It is a cyclic number.

It is not a de Polignac number, because 5424303515221 - 2⁹ = 5424303514709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5424303515021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2712151757610 + 2712151757611.

It is an arithmetic number, because the mean of its divisors is an integer number (2712151757611).

Almost surely, 2^{5424303515221} is an apocalyptic number.

It is an amenable number.

5424303515221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5424303515221 is an equidigital number, since it uses as much as digits as its factorization.

5424303515221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 5424303515221 its reverse (1225153034245), we get a palindrome (6649456549466).

The spelling of 5424303515221 in words is "five trillion, four hundred twenty-four billion, three hundred three million, five hundred fifteen thousand, two hundred twenty-one".