4304021030021 has 2 divisors, whose sum is σ = 4304021030022. Its totient is φ = 4304021030020.

The previous prime is 4304021029981. The next prime is 4304021030081. The reversal of 4304021030021 is 1200301204034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2340407365921 + 1963613664100 = 1529839^2 + 1401290^2 .

It is a cyclic number.

It is not a de Polignac number, because 4304021030021 - 2¹⁰ = 4304021028997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4304021029975 and 4304021030002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4304021030081) 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, 2152010515010 + 2152010515011.

It is an arithmetic number, because the mean of its divisors is an integer number (2152010515011).

Almost surely, 2^{4304021030021} is an apocalyptic number.

It is an amenable number.

4304021030021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4304021030021 is an equidigital number, since it uses as much as digits as its factorization.

4304021030021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 4304021030021 its reverse (1200301204034), we get a palindrome (5504322234055).

The spelling of 4304021030021 in words is "four trillion, three hundred four billion, twenty-one million, thirty thousand, twenty-one".