4569430909 has 2 divisors, whose sum is σ = 4569430910. Its totient is φ = 4569430908.

The previous prime is 4569430903. The next prime is 4569430933. The reversal of 4569430909 is 9090349654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4137705625 + 431725284 = 64325^2 + 20778^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4569430909 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4569430903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2284715454 + 2284715455.

It is an arithmetic number, because the mean of its divisors is an integer number (2284715455).

Almost surely, 2^4569430909 is an apocalyptic number.

It is an amenable number.

4569430909 is a deficient number, since it is larger than the sum of its proper divisors (1).

4569430909 is an equidigital number, since it uses as much as digits as its factorization.

4569430909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The square root of 4569430909 is about 67597.5658511459. The cubic root of 4569430909 is about 1659.4112816555.

The spelling of 4569430909 in words is "four billion, five hundred sixty-nine million, four hundred thirty thousand, nine hundred nine".