4664568909 has 64 divisors (see below), whose sum is σ = 8528486400. Its totient is φ = 2189099520.

The previous prime is 4664568907. The next prime is 4664568929. The reversal of 4664568909 is 9098654664.

It is a happy number.

It is not a de Polignac number, because 4664568909 - 2¹ = 4664568907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4664568901) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 124617 + ... + 157665.

It is an arithmetic number, because the mean of its divisors is an integer number (133257600).

Almost surely, 2^4664568909 is an apocalyptic number.

It is an amenable number.

4664568909 is a deficient number, since it is larger than the sum of its proper divisors (3863917491).

4664568909 is a wasteful number, since it uses less digits than its factorization.

4664568909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33130.

The product of its (nonzero) digits is 11197440, while the sum is 57.

The square root of 4664568909 is about 68297.6493665778. The cubic root of 4664568909 is about 1670.8488768837.

The spelling of 4664568909 in words is "four billion, six hundred sixty-four million, five hundred sixty-eight thousand, nine hundred nine".