4104010021 has 2 divisors, whose sum is σ = 4104010022. Its totient is φ = 4104010020.

The previous prime is 4104009997. The next prime is 4104010133. The reversal of 4104010021 is 1200104014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3218292900 + 885717121 = 56730^2 + 29761^2 .

It is a cyclic number.

It is not a de Polignac number, because 4104010021 - 2¹⁹ = 4103485733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4104009983 and 4104010010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4104020021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2052005010 + 2052005011.

It is an arithmetic number, because the mean of its divisors is an integer number (2052005011).

Almost surely, 2^4104010021 is an apocalyptic number.

It is an amenable number.

4104010021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4104010021 is an equidigital number, since it uses as much as digits as its factorization.

4104010021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 4104010021 is about 64062.5477248603. The cubic root of 4104010021 is about 1601.0422923536.

Adding to 4104010021 its reverse (1200104014), we get a palindrome (5304114035).

The spelling of 4104010021 in words is "four billion, one hundred four million, ten thousand, twenty-one".