1289903409089 has 8 divisors (see below), whose sum is σ = 1297123704480. Its totient is φ = 1282693557600.

The previous prime is 1289903409073. The next prime is 1289903409097. The reversal of 1289903409089 is 9809043099821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1289903409089 - 2⁴ = 1289903409073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1289903409019) 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 7 ways as a sum of consecutive naturals, for example, 2363204 + ... + 2857365.

It is an arithmetic number, because the mean of its divisors is an integer number (162140463060).

Almost surely, 2^{1289903409089} is an apocalyptic number.

It is an amenable number.

1289903409089 is a deficient number, since it is larger than the sum of its proper divisors (7220295391).

1289903409089 is a wasteful number, since it uses less digits than its factorization.

1289903409089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5221951.

The product of its (nonzero) digits is 10077696, while the sum is 62.

The spelling of 1289903409089 in words is "one trillion, two hundred eighty-nine billion, nine hundred three million, four hundred nine thousand, eighty-nine".