4664564065 has 12 divisors (see below), whose sum is σ = 6511350996. Its totient is φ = 3198558048.

The previous prime is 4664564027. The next prime is 4664564071. The reversal of 4664564065 is 5604654664.

It can be written as a sum of positive squares in 2 ways, for example, as 3378050641 + 1286513424 = 58121^2 + 35868^2 .

It is not a de Polignac number, because 4664564065 - 2²⁹ = 4127693153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9519274 + ... + 9519763.

It is an arithmetic number, because the mean of its divisors is an integer number (542612583).

Almost surely, 2^4664564065 is an apocalyptic number.

It is an amenable number.

4664564065 is a deficient number, since it is larger than the sum of its proper divisors (1846786931).

4664564065 is a wasteful number, since it uses less digits than its factorization.

4664564065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19039056 (or 19039049 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 46.

The square root of 4664564065 is about 68297.6139041475. The cubic root of 4664564065 is about 1670.8482985098.

The spelling of 4664564065 in words is "four billion, six hundred sixty-four million, five hundred sixty-four thousand, sixty-five".