1789882490881 has 24 divisors (see below), whose sum is σ = 1829507904000. Its totient is φ = 1751068275264.

The previous prime is 1789882490857. The next prime is 1789882490887. The reversal of 1789882490881 is 1880942889871.

It is not a de Polignac number, because 1789882490881 - 2¹¹ = 1789882488833 is a prime.

It is a super-2 number, since 2×1789882490881² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (73) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1789882490887) 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 in 23 ways as a sum of consecutive naturals, for example, 438802200 + ... + 438806278.

It is an arithmetic number, because the mean of its divisors is an integer number (76229496000).

Almost surely, 2^{1789882490881} is an apocalyptic number.

It is an amenable number.

1789882490881 is a deficient number, since it is larger than the sum of its proper divisors (39625413119).

1789882490881 is an equidigital number, since it uses as much as digits as its factorization.

1789882490881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4861 (or 4794 counting only the distinct ones).

The product of its (nonzero) digits is 148635648, while the sum is 73.

The spelling of 1789882490881 in words is "one trillion, seven hundred eighty-nine billion, eight hundred eighty-two million, four hundred ninety thousand, eight hundred eighty-one".