2064396109 has 2 divisors, whose sum is σ = 2064396110. Its totient is φ = 2064396108.

The previous prime is 2064396107. The next prime is 2064396121. The reversal of 2064396109 is 9016934602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1804380484 + 260015625 = 42478^2 + 16125^2 .

It is a cyclic number.

It is not a de Polignac number, because 2064396109 - 2¹ = 2064396107 is a prime.

Together with 2064396107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2064396101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032198054 + 1032198055.

It is an arithmetic number, because the mean of its divisors is an integer number (1032198055).

Almost surely, 2^2064396109 is an apocalyptic number.

It is an amenable number.

2064396109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2064396109 is an equidigital number, since it uses as much as digits as its factorization.

2064396109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 2064396109 is about 45435.6259888647. The cubic root of 2064396109 is about 1273.3007961055.

The spelling of 2064396109 in words is "two billion, sixty-four million, three hundred ninety-six thousand, one hundred nine".