2081403617 has 2 divisors, whose sum is σ = 2081403618. Its totient is φ = 2081403616.

The previous prime is 2081403563. The next prime is 2081403629. The reversal of 2081403617 is 7163041802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2040238561 + 41165056 = 45169^2 + 6416^2 .

It is a cyclic number.

It is not a de Polignac number, because 2081403617 - 2¹⁰ = 2081402593 is a prime.

It is not a weakly prime, because it can be changed into another prime (2081403677) 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, 1040701808 + 1040701809.

It is an arithmetic number, because the mean of its divisors is an integer number (1040701809).

Almost surely, 2^2081403617 is an apocalyptic number.

It is an amenable number.

2081403617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2081403617 is an equidigital number, since it uses as much as digits as its factorization.

2081403617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2081403617 is about 45622.4025781194. The cubic root of 2081403617 is about 1276.7879295527.

The spelling of 2081403617 in words is "two billion, eighty-one million, four hundred three thousand, six hundred seventeen".