6622853972393 has 2 divisors, whose sum is σ = 6622853972394. Its totient is φ = 6622853972392.

The previous prime is 6622853972369. The next prime is 6622853972411. The reversal of 6622853972393 is 3932793582266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6108030502249 + 514823470144 = 2471443^2 + 717512^2 .

It is a cyclic number.

It is not a de Polignac number, because 6622853972393 - 2²⁶ = 6622786863529 is a prime.

It is a super-2 number, since 2×6622853972393² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6622853902393) 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, 3311426986196 + 3311426986197.

It is an arithmetic number, because the mean of its divisors is an integer number (3311426986197).

Almost surely, 2^{6622853972393} is an apocalyptic number.

It is an amenable number.

6622853972393 is a deficient number, since it is larger than the sum of its proper divisors (1).

6622853972393 is an equidigital number, since it uses as much as digits as its factorization.

6622853972393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176359680, while the sum is 65.

The spelling of 6622853972393 in words is "six trillion, six hundred twenty-two billion, eight hundred fifty-three million, nine hundred seventy-two thousand, three hundred ninety-three".