2065465564 has 6 divisors (see below), whose sum is σ = 3614564744. Its totient is φ = 1032732780.

The previous prime is 2065465561. The next prime is 2065465583. The reversal of 2065465564 is 4655645602.

It is a happy number.

It is a super-2 number, since 2×2065465564² = 8532295992139676192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2065465564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065465561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258183192 + ... + 258183199.

Almost surely, 2^2065465564 is an apocalyptic number.

It is an amenable number.

2065465564 is a deficient number, since it is larger than the sum of its proper divisors (1549099180).

2065465564 is a wasteful number, since it uses less digits than its factorization.

2065465564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516366395 (or 516366393 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The square root of 2065465564 is about 45447.3933685971. The cubic root of 2065465564 is about 1273.5206348623.

The spelling of 2065465564 in words is "two billion, sixty-five million, four hundred sixty-five thousand, five hundred sixty-four".