2065333643 has 4 divisors (see below), whose sum is σ = 2109276960. Its totient is φ = 2021390328.

The previous prime is 2065333607. The next prime is 2065333651. The reversal of 2065333643 is 3463335602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2065333643 - 2¹² = 2065329547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2065333663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21971588 + ... + 21971681.

It is an arithmetic number, because the mean of its divisors is an integer number (527319240).

Almost surely, 2^2065333643 is an apocalyptic number.

2065333643 is a deficient number, since it is larger than the sum of its proper divisors (43943317).

2065333643 is an equidigital number, since it uses as much as digits as its factorization.

2065333643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43943316.

The product of its (nonzero) digits is 116640, while the sum is 35.

The square root of 2065333643 is about 45445.9419860564. The cubic root of 2065333643 is about 1273.4935210894.

The spelling of 2065333643 in words is "two billion, sixty-five million, three hundred thirty-three thousand, six hundred forty-three".