5655207216089 has 2 divisors, whose sum is σ = 5655207216090. Its totient is φ = 5655207216088.

The previous prime is 5655207216019. The next prime is 5655207216173. The reversal of 5655207216089 is 9806127025565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5432083246489 + 223123969600 = 2330683^2 + 472360^2 .

It is a cyclic number.

It is not a de Polignac number, because 5655207216089 - 2²⁴ = 5655190438873 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5655207216019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2827603608044 + 2827603608045.

It is an arithmetic number, because the mean of its divisors is an integer number (2827603608045).

Almost surely, 2^{5655207216089} is an apocalyptic number.

It is an amenable number.

5655207216089 is a deficient number, since it is larger than the sum of its proper divisors (1).

5655207216089 is an equidigital number, since it uses as much as digits as its factorization.

5655207216089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072000, while the sum is 56.

The spelling of 5655207216089 in words is "five trillion, six hundred fifty-five billion, two hundred seven million, two hundred sixteen thousand, eighty-nine".