2065343641 has 2 divisors, whose sum is σ = 2065343642. Its totient is φ = 2065343640.

The previous prime is 2065343633. The next prime is 2065343671. The reversal of 2065343641 is 1463435602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1183016025 + 882327616 = 34395^2 + 29704^2 .

It is a cyclic number.

It is not a de Polignac number, because 2065343641 - 2³ = 2065343633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2065343597 and 2065343606.

It is not a weakly prime, because it can be changed into another prime (2065343671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032671820 + 1032671821.

It is an arithmetic number, because the mean of its divisors is an integer number (1032671821).

Almost surely, 2^2065343641 is an apocalyptic number.

It is an amenable number.

2065343641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2065343641 is an equidigital number, since it uses as much as digits as its factorization.

2065343641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 2065343641 is about 45446.0519847434. The cubic root of 2065343641 is about 1273.4955760225.

The spelling of 2065343641 in words is "two billion, sixty-five million, three hundred forty-three thousand, six hundred forty-one".