2064440617 has 2 divisors, whose sum is σ = 2064440618. Its totient is φ = 2064440616.

The previous prime is 2064440591. The next prime is 2064440633. The reversal of 2064440617 is 7160444602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2033649216 + 30791401 = 45096^2 + 5549^2 .

It is a cyclic number.

It is not a de Polignac number, because 2064440617 - 2¹⁹ = 2063916329 is a prime.

It is a super-2 number, since 2×2064440617² = 8523830122238681378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2064440017) 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, 1032220308 + 1032220309.

It is an arithmetic number, because the mean of its divisors is an integer number (1032220309).

Almost surely, 2^2064440617 is an apocalyptic number.

It is an amenable number.

2064440617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2064440617 is an equidigital number, since it uses as much as digits as its factorization.

2064440617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 2064440617 is about 45436.1157780900. The cubic root of 2064440617 is about 1273.3099467500.

The spelling of 2064440617 in words is "two billion, sixty-four million, four hundred forty thousand, six hundred seventeen".