5005004821 has 2 divisors, whose sum is σ = 5005004822. Its totient is φ = 5005004820.

The previous prime is 5005004791. The next prime is 5005004887. The reversal of 5005004821 is 1284005005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4940121796 + 64883025 = 70286^2 + 8055^2 .

It is a cyclic number.

It is not a de Polignac number, because 5005004821 - 2¹³ = 5004996629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5005004321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502502410 + 2502502411.

It is an arithmetic number, because the mean of its divisors is an integer number (2502502411).

Almost surely, 2^5005004821 is an apocalyptic number.

It is an amenable number.

5005004821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5005004821 is an equidigital number, since it uses as much as digits as its factorization.

5005004821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 5005004821 is about 70746.0586958737. The cubic root of 5005004821 is about 1710.5462979871.

Adding to 5005004821 its reverse (1284005005), we get a palindrome (6289009826).

The spelling of 5005004821 in words is "five billion, five million, four thousand, eight hundred twenty-one".