5660621102209 has 2 divisors, whose sum is σ = 5660621102210. Its totient is φ = 5660621102208.

The previous prime is 5660621102197. The next prime is 5660621102231. The reversal of 5660621102209 is 9022011260665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5296925265025 + 363695837184 = 2301505^2 + 603072^2 .

It is a cyclic number.

It is not a de Polignac number, because 5660621102209 - 2¹¹ = 5660621100161 is a prime.

It is not a weakly prime, because it can be changed into another prime (5660628102209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830310551104 + 2830310551105.

It is an arithmetic number, because the mean of its divisors is an integer number (2830310551105).

Almost surely, 2^{5660621102209} is an apocalyptic number.

It is an amenable number.

5660621102209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5660621102209 is an equidigital number, since it uses as much as digits as its factorization.

5660621102209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 5660621102209 in words is "five trillion, six hundred sixty billion, six hundred twenty-one million, one hundred two thousand, two hundred nine".