2065304645 has 16 divisors (see below), whose sum is σ = 2497996800. Its totient is φ = 1639184064.

The previous prime is 2065304627. The next prime is 2065304669. The reversal of 2065304645 is 5464035602.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2065304645 - 2¹⁴ = 2065288261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1238102 + ... + 1239768.

It is an arithmetic number, because the mean of its divisors is an integer number (156124800).

Almost surely, 2^2065304645 is an apocalyptic number.

It is an amenable number.

2065304645 is a deficient number, since it is larger than the sum of its proper divisors (432692155).

2065304645 is a wasteful number, since it uses less digits than its factorization.

2065304645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 2065304645 is about 45445.6229465501. The cubic root of 2065304645 is about 1273.4875609647.

The spelling of 2065304645 in words is "two billion, sixty-five million, three hundred four thousand, six hundred forty-five".