5043620221 has 2 divisors, whose sum is σ = 5043620222. Its totient is φ = 5043620220.

The previous prime is 5043620119. The next prime is 5043620233. The reversal of 5043620221 is 1220263405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5042988196 + 632025 = 71014^2 + 795^2 .

It is a cyclic number.

It is not a de Polignac number, because 5043620221 - 2⁷ = 5043620093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5043620321) 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, 2521810110 + 2521810111.

It is an arithmetic number, because the mean of its divisors is an integer number (2521810111).

Almost surely, 2^5043620221 is an apocalyptic number.

It is an amenable number.

5043620221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5043620221 is an equidigital number, since it uses as much as digits as its factorization.

5043620221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 5043620221 is about 71018.4498633982. The cubic root of 5043620221 is about 1714.9341911073.

Adding to 5043620221 its reverse (1220263405), we get a palindrome (6263883626).

The spelling of 5043620221 in words is "five billion, forty-three million, six hundred twenty thousand, two hundred twenty-one".