2064308565 has 16 divisors (see below), whose sum is σ = 3603157056. Its totient is φ = 1000876800.

The previous prime is 2064308563. The next prime is 2064308591. The reversal of 2064308565 is 5658034602.

It is not a de Polignac number, because 2064308565 - 2¹ = 2064308563 is a prime.

It is a super-2 number, since 2×2064308565² = 8522739703064718450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064308563) 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 in 15 ways as a sum of consecutive naturals, for example, 6255316 + ... + 6255645.

It is an arithmetic number, because the mean of its divisors is an integer number (225197316).

Almost surely, 2^2064308565 is an apocalyptic number.

It is an amenable number.

2064308565 is a deficient number, since it is larger than the sum of its proper divisors (1538848491).

2064308565 is a wasteful number, since it uses less digits than its factorization.

2064308565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12510980.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 2064308565 is about 45434.6625936630. The cubic root of 2064308565 is about 1273.2827970693.

The spelling of 2064308565 in words is "two billion, sixty-four million, three hundred eight thousand, five hundred sixty-five".