6622144266641 has 2 divisors, whose sum is σ = 6622144266642. Its totient is φ = 6622144266640.

The previous prime is 6622144266599. The next prime is 6622144266653. The reversal of 6622144266641 is 1466624412266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4786468840000 + 1835675426641 = 2187800^2 + 1354871^2 .

It is a cyclic number.

It is not a de Polignac number, because 6622144266641 - 2¹⁰ = 6622144265617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6622144266641.

It is not a weakly prime, because it can be changed into another prime (6622144266341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311072133320 + 3311072133321.

It is an arithmetic number, because the mean of its divisors is an integer number (3311072133321).

Almost surely, 2^{6622144266641} is an apocalyptic number.

It is an amenable number.

6622144266641 is a deficient number, since it is larger than the sum of its proper divisors (1).

6622144266641 is an equidigital number, since it uses as much as digits as its factorization.

6622144266641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3981312, while the sum is 50.

The spelling of 6622144266641 in words is "six trillion, six hundred twenty-two billion, one hundred forty-four million, two hundred sixty-six thousand, six hundred forty-one".