6221073404489 has 2 divisors, whose sum is σ = 6221073404490. Its totient is φ = 6221073404488.

The previous prime is 6221073404423. The next prime is 6221073404509. The reversal of 6221073404489 is 9844043701226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5885878722889 + 335194681600 = 2426083^2 + 578960^2 .

It is a cyclic number.

It is not a de Polignac number, because 6221073404489 - 2⁴⁰ = 5121561776713 is a prime.

It is a super-2 number, since 2×6221073404489² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6221073404989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3110536702244 + 3110536702245.

It is an arithmetic number, because the mean of its divisors is an integer number (3110536702245).

Almost surely, 2^{6221073404489} is an apocalyptic number.

It is an amenable number.

6221073404489 is a deficient number, since it is larger than the sum of its proper divisors (1).

6221073404489 is an equidigital number, since it uses as much as digits as its factorization.

6221073404489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 6221073404489 in words is "six trillion, two hundred twenty-one billion, seventy-three million, four hundred four thousand, four hundred eighty-nine".