2136646352089 has 2 divisors, whose sum is σ = 2136646352090. Its totient is φ = 2136646352088.

The previous prime is 2136646352069. The next prime is 2136646352111. The reversal of 2136646352089 is 9802536466312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2065788171225 + 70858180864 = 1437285^2 + 266192^2 .

It is a cyclic number.

It is not a de Polignac number, because 2136646352089 - 2²¹ = 2136644254937 is a prime.

It is not a weakly prime, because it can be changed into another prime (2136646352069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068323176044 + 1068323176045.

It is an arithmetic number, because the mean of its divisors is an integer number (1068323176045).

Almost surely, 2^{2136646352089} is an apocalyptic number.

It is an amenable number.

2136646352089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136646352089 is an equidigital number, since it uses as much as digits as its factorization.

2136646352089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 2136646352089 in words is "two trillion, one hundred thirty-six billion, six hundred forty-six million, three hundred fifty-two thousand, eighty-nine".