6221090303993 has 2 divisors, whose sum is σ = 6221090303994. Its totient is φ = 6221090303992.

The previous prime is 6221090303881. The next prime is 6221090304017. The reversal of 6221090303993 is 3993030901226.

6221090303993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4631844317584 + 1589245986409 = 2152172^2 + 1260653^2 .

It is a cyclic number.

It is not a de Polignac number, because 6221090303993 - 2²⁶ = 6221023195129 is a prime.

It is not a weakly prime, because it can be changed into another prime (6221090303693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3110545151996 + 3110545151997.

It is an arithmetic number, because the mean of its divisors is an integer number (3110545151997).

Almost surely, 2^{6221090303993} is an apocalyptic number.

It is an amenable number.

6221090303993 is a deficient number, since it is larger than the sum of its proper divisors (1).

6221090303993 is an equidigital number, since it uses as much as digits as its factorization.

6221090303993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472392, while the sum is 47.

The spelling of 6221090303993 in words is "six trillion, two hundred twenty-one billion, ninety million, three hundred three thousand, nine hundred ninety-three".