4259565641 has 2 divisors, whose sum is σ = 4259565642. Its totient is φ = 4259565640.

The previous prime is 4259565613. The next prime is 4259565643. The reversal of 4259565641 is 1465659524.

4259565641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2234925625 + 2024640016 = 47275^2 + 44996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4259565641 is a prime.

Together with 4259565643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4259565643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2129782820 + 2129782821.

It is an arithmetic number, because the mean of its divisors is an integer number (2129782821).

Almost surely, 2^4259565641 is an apocalyptic number.

It is an amenable number.

4259565641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4259565641 is an equidigital number, since it uses as much as digits as its factorization.

4259565641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296000, while the sum is 47.

The square root of 4259565641 is about 65265.3479344131. The cubic root of 4259565641 is about 1621.0202435070.

The spelling of 4259565641 in words is "four billion, two hundred fifty-nine million, five hundred sixty-five thousand, six hundred forty-one".