2066403312089 has 2 divisors, whose sum is σ = 2066403312090. Its totient is φ = 2066403312088.

The previous prime is 2066403312041. The next prime is 2066403312107. The reversal of 2066403312089 is 9802133046602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2062647460864 + 3755851225 = 1436192^2 + 61285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2066403312089 is a prime.

It is not a weakly prime, because it can be changed into another prime (2066403332089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033201656044 + 1033201656045.

It is an arithmetic number, because the mean of its divisors is an integer number (1033201656045).

Almost surely, 2^{2066403312089} is an apocalyptic number.

It is an amenable number.

2066403312089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066403312089 is an equidigital number, since it uses as much as digits as its factorization.

2066403312089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 2066403312089 in words is "two trillion, sixty-six billion, four hundred three million, three hundred twelve thousand, eighty-nine".