203441105489 has 2 divisors, whose sum is σ = 203441105490. Its totient is φ = 203441105488.

The previous prime is 203441105477. The next prime is 203441105587. The reversal of 203441105489 is 984501144302.

203441105489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182965785025 + 20475320464 = 427745^2 + 143092^2 .

It is a cyclic number.

It is not a de Polignac number, because 203441105489 - 2⁸ = 203441105233 is a prime.

It is not a weakly prime, because it can be changed into another prime (203441105449) 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, 101720552744 + 101720552745.

It is an arithmetic number, because the mean of its divisors is an integer number (101720552745).

Almost surely, 2^203441105489 is an apocalyptic number.

It is an amenable number.

203441105489 is a deficient number, since it is larger than the sum of its proper divisors (1).

203441105489 is an equidigital number, since it uses as much as digits as its factorization.

203441105489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 203441105489 in words is "two hundred three billion, four hundred forty-one million, one hundred five thousand, four hundred eighty-nine".