4021404422069 has 2 divisors, whose sum is σ = 4021404422070. Its totient is φ = 4021404422068.

The previous prime is 4021404422051. The next prime is 4021404422071. The reversal of 4021404422069 is 9602244041204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2762037915844 + 1259366506225 = 1661938^2 + 1122215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021404422069 is a prime.

It is a super-2 number, since 2×4021404422069² (a number of 26 digits) contains 22 as substring.

Together with 4021404422071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021404422969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010702211034 + 2010702211035.

It is an arithmetic number, because the mean of its divisors is an integer number (2010702211035).

Almost surely, 2^{4021404422069} is an apocalyptic number.

It is an amenable number.

4021404422069 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021404422069 is an equidigital number, since it uses as much as digits as its factorization.

4021404422069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 4021404422069 in words is "four trillion, twenty-one billion, four hundred four million, four hundred twenty-two thousand, sixty-nine".