1289054045033 has 4 divisors (see below), whose sum is σ = 1289191231620. Its totient is φ = 1288916858448.

The previous prime is 1289054044961. The next prime is 1289054045039. The reversal of 1289054045033 is 3305404509821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 141644591449 + 1147409453584 = 376357^2 + 1071172^2 .

It is a cyclic number.

It is not a de Polignac number, because 1289054045033 - 2⁸ = 1289054044777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1289054045039) 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 in 3 ways as a sum of consecutive naturals, for example, 68579198 + ... + 68597991.

It is an arithmetic number, because the mean of its divisors is an integer number (322297807905).

Almost surely, 2^{1289054045033} is an apocalyptic number.

It is an amenable number.

1289054045033 is a deficient number, since it is larger than the sum of its proper divisors (137186587).

1289054045033 is an equidigital number, since it uses as much as digits as its factorization.

1289054045033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137186586.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 1289054045033 in words is "one trillion, two hundred eighty-nine billion, fifty-four million, forty-five thousand, thirty-three".