895728165593 has 2 divisors, whose sum is σ = 895728165594. Its totient is φ = 895728165592.

The previous prime is 895728165529. The next prime is 895728165601. The reversal of 895728165593 is 395561827598.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 885315391744 + 10412773849 = 940912^2 + 102043^2 .

It is a cyclic number.

It is not a de Polignac number, because 895728165593 - 2⁶ = 895728165529 is a prime.

It is not a weakly prime, because it can be changed into another prime (895728164593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447864082796 + 447864082797.

It is an arithmetic number, because the mean of its divisors is an integer number (447864082797).

Almost surely, 2^895728165593 is an apocalyptic number.

It is an amenable number.

895728165593 is a deficient number, since it is larger than the sum of its proper divisors (1).

895728165593 is an equidigital number, since it uses as much as digits as its factorization.

895728165593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296000, while the sum is 68.

The spelling of 895728165593 in words is "eight hundred ninety-five billion, seven hundred twenty-eight million, one hundred sixty-five thousand, five hundred ninety-three".