6221877337573 has 2 divisors, whose sum is σ = 6221877337574. Its totient is φ = 6221877337572.

The previous prime is 6221877337561. The next prime is 6221877337619. The reversal of 6221877337573 is 3757337781226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5992150764769 + 229726572804 = 2447887^2 + 479298^2 .

It is a cyclic number.

It is not a de Polignac number, because 6221877337573 - 2⁵ = 6221877337541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6221877335573) 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, 3110938668786 + 3110938668787.

It is an arithmetic number, because the mean of its divisors is an integer number (3110938668787).

Almost surely, 2^{6221877337573} is an apocalyptic number.

It is an amenable number.

6221877337573 is a deficient number, since it is larger than the sum of its proper divisors (1).

6221877337573 is an equidigital number, since it uses as much as digits as its factorization.

6221877337573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62233920, while the sum is 61.

The spelling of 6221877337573 in words is "six trillion, two hundred twenty-one billion, eight hundred seventy-seven million, three hundred thirty-seven thousand, five hundred seventy-three".