5644607333221 has 2 divisors, whose sum is σ = 5644607333222. Its totient is φ = 5644607333220.

The previous prime is 5644607333179. The next prime is 5644607333227. The reversal of 5644607333221 is 1223337064465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4457566577025 + 1187040756196 = 2111295^2 + 1089514^2 .

It is a cyclic number.

It is not a de Polignac number, because 5644607333221 - 2⁹ = 5644607332709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5644607333227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822303666610 + 2822303666611.

It is an arithmetic number, because the mean of its divisors is an integer number (2822303666611).

Almost surely, 2^{5644607333221} is an apocalyptic number.

It is an amenable number.

5644607333221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5644607333221 is an equidigital number, since it uses as much as digits as its factorization.

5644607333221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 46.

The spelling of 5644607333221 in words is "five trillion, six hundred forty-four billion, six hundred seven million, three hundred thirty-three thousand, two hundred twenty-one".