1889496885593 has 2 divisors, whose sum is σ = 1889496885594. Its totient is φ = 1889496885592.

The previous prime is 1889496885517. The next prime is 1889496885599. The reversal of 1889496885593 is 3955886949881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1362815755609 + 526681129984 = 1167397^2 + 725728^2 .

It is a cyclic number.

It is not a de Polignac number, because 1889496885593 - 2³⁰ = 1888423143769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1889496885599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 944748442796 + 944748442797.

It is an arithmetic number, because the mean of its divisors is an integer number (944748442797).

Almost surely, 2^{1889496885593} is an apocalyptic number.

It is an amenable number.

1889496885593 is a deficient number, since it is larger than the sum of its proper divisors (1).

1889496885593 is an equidigital number, since it uses as much as digits as its factorization.

1889496885593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5374771200, while the sum is 83.

The spelling of 1889496885593 in words is "one trillion, eight hundred eighty-nine billion, four hundred ninety-six million, eight hundred eighty-five thousand, five hundred ninety-three".