2043610065 has 48 divisors (see below), whose sum is σ = 4090090368. Its totient is φ = 924576768.

The previous prime is 2043610061. The next prime is 2043610073. The reversal of 2043610065 is 5600163402.

2043610065 is a `hidden beast` number, since 2 + 0 + 43 + 610 + 0 + 6 + 5 = 666.

It is not a de Polignac number, because 2043610065 - 2² = 2043610061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2043610061) 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 47 ways as a sum of consecutive naturals, for example, 2887 + ... + 63996.

It is an arithmetic number, because the mean of its divisors is an integer number (85210216).

Almost surely, 2^2043610065 is an apocalyptic number.

It is an amenable number.

2043610065 is an abundant number, since it is smaller than the sum of its proper divisors (2046480303).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2043610065 is a wasteful number, since it uses less digits than its factorization.

2043610065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66998 (or 66995 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2043610065 is about 45206.3055889331. The cubic root of 2043610065 is about 1269.0128243240.

Adding to 2043610065 its reverse (5600163402), we get a palindrome (7643773467).

The spelling of 2043610065 in words is "two billion, forty-three million, six hundred ten thousand, sixty-five".