2065665434 has 8 divisors (see below), whose sum is σ = 3541140768. Its totient is φ = 885285180.

The previous prime is 2065665401. The next prime is 2065665457. The reversal of 2065665434 is 4345665602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2065665391 and 2065665400.

It is an unprimeable number.

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, 73773752 + ... + 73773779.

It is an arithmetic number, because the mean of its divisors is an integer number (442642596).

Almost surely, 2^2065665434 is an apocalyptic number.

2065665434 is a deficient number, since it is larger than the sum of its proper divisors (1475475334).

2065665434 is a wasteful number, since it uses less digits than its factorization.

2065665434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147547540.

The product of its (nonzero) digits is 518400, while the sum is 41.

The square root of 2065665434 is about 45449.5922313941. The cubic root of 2065665434 is about 1273.5617120192.

The spelling of 2065665434 in words is "two billion, sixty-five million, six hundred sixty-five thousand, four hundred thirty-four".