6622853972369 has 2 divisors, whose sum is σ = 6622853972370. Its totient is φ = 6622853972368.

The previous prime is 6622853972311. The next prime is 6622853972393. The reversal of 6622853972369 is 9632793582266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3914114041744 + 2708739930625 = 1978412^2 + 1645825^2 .

It is a cyclic number.

It is not a de Polignac number, because 6622853972369 - 2²⁰ = 6622852923793 is a prime.

It is a super-2 number, since 2×6622853972369² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6622853972299 and 6622853972308.

It is not a weakly prime, because it can be changed into another prime (6622853972269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311426986184 + 3311426986185.

It is an arithmetic number, because the mean of its divisors is an integer number (3311426986185).

Almost surely, 2^{6622853972369} is an apocalyptic number.

It is an amenable number.

6622853972369 is a deficient number, since it is larger than the sum of its proper divisors (1).

6622853972369 is an equidigital number, since it uses as much as digits as its factorization.

6622853972369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352719360, while the sum is 68.

The spelling of 6622853972369 in words is "six trillion, six hundred twenty-two billion, eight hundred fifty-three million, nine hundred seventy-two thousand, three hundred sixty-nine".