4165445633 has 2 divisors, whose sum is σ = 4165445634. Its totient is φ = 4165445632.

The previous prime is 4165445623. The next prime is 4165445671. The reversal of 4165445633 is 3365445614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3880916209 + 284529424 = 62297^2 + 16868^2 .

It is a cyclic number.

It is not a de Polignac number, because 4165445633 - 2²⁰ = 4164397057 is a prime.

It is not a weakly prime, because it can be changed into another prime (4165445623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2082722816 + 2082722817.

It is an arithmetic number, because the mean of its divisors is an integer number (2082722817).

Almost surely, 2^4165445633 is an apocalyptic number.

It is an amenable number.

4165445633 is a deficient number, since it is larger than the sum of its proper divisors (1).

4165445633 is an equidigital number, since it uses as much as digits as its factorization.

4165445633 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4165445633 is about 64540.2636576579. The cubic root of 4165445633 is about 1608.9917729801.

The spelling of 4165445633 in words is "four billion, one hundred sixty-five million, four hundred forty-five thousand, six hundred thirty-three".