4065579241 has 2 divisors, whose sum is σ = 4065579242. Its totient is φ = 4065579240.

The previous prime is 4065579239. The next prime is 4065579247. The reversal of 4065579241 is 1429755604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3336795225 + 728784016 = 57765^2 + 26996^2 .

It is a cyclic number.

It is not a de Polignac number, because 4065579241 - 2¹ = 4065579239 is a prime.

Together with 4065579239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4065579247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2032789620 + 2032789621.

It is an arithmetic number, because the mean of its divisors is an integer number (2032789621).

Almost surely, 2^4065579241 is an apocalyptic number.

It is an amenable number.

4065579241 is a deficient number, since it is larger than the sum of its proper divisors (1).

4065579241 is an equidigital number, since it uses as much as digits as its factorization.

4065579241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 4065579241 is about 63761.8948981286. The cubic root of 4065579241 is about 1596.0291168791.

The spelling of 4065579241 in words is "four billion, sixty-five million, five hundred seventy-nine thousand, two hundred forty-one".