2101340089 has 2 divisors, whose sum is σ = 2101340090. Its totient is φ = 2101340088.

The previous prime is 2101340083. The next prime is 2101340117. The reversal of 2101340089 is 9800431012.

It is a happy number.

It is an a-pointer prime, because the next prime (2101340117) can be obtained adding 2101340089 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1246654864 + 854685225 = 35308^2 + 29235^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101340089 - 2⁵ = 2101340057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101340083) 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, 1050670044 + 1050670045.

It is an arithmetic number, because the mean of its divisors is an integer number (1050670045).

Almost surely, 2^2101340089 is an apocalyptic number.

It is an amenable number.

2101340089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101340089 is an equidigital number, since it uses as much as digits as its factorization.

2101340089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2101340089 is about 45840.3761873744. The cubic root of 2101340089 is about 1280.8515023126.

The spelling of 2101340089 in words is "two billion, one hundred one million, three hundred forty thousand, eighty-nine".