2065502065 has 24 divisors (see below), whose sum is σ = 2867820480. Its totient is φ = 1423113120.

The previous prime is 2065502041. The next prime is 2065502071. The reversal of 2065502065 is 5602055602.

It is not a de Polignac number, because 2065502065 - 2⁷ = 2065501937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78349 + ... + 101338.

It is an arithmetic number, because the mean of its divisors is an integer number (119492520).

Almost surely, 2^2065502065 is an apocalyptic number.

It is an amenable number.

2065502065 is a deficient number, since it is larger than the sum of its proper divisors (802318415).

2065502065 is a wasteful number, since it uses less digits than its factorization.

2065502065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179733 (or 179722 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2065502065 is about 45447.7949410090. The cubic root of 2065502065 is about 1273.5281367227.

Adding to 2065502065 its reverse (5602055602), we get a palindrome (7667557667).

The spelling of 2065502065 in words is "two billion, sixty-five million, five hundred two thousand, sixty-five".