13450026589 has 4 divisors (see below), whose sum is σ = 13778076060. Its totient is φ = 13121977120.

The previous prime is 13450026587. The next prime is 13450026617. The reversal of 13450026589 is 98562005431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98562005431 = 10169 ⋅9692399.

It can be written as a sum of positive squares in 2 ways, for example, as 7328216025 + 6121810564 = 85605^2 + 78242^2 .

It is a cyclic number.

It is not a de Polignac number, because 13450026589 - 2¹ = 13450026587 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13450026587) 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, 164024674 + ... + 164024755.

It is an arithmetic number, because the mean of its divisors is an integer number (3444519015).

Almost surely, 2^13450026589 is an apocalyptic number.

It is an amenable number.

13450026589 is a deficient number, since it is larger than the sum of its proper divisors (328049471).

13450026589 is an equidigital number, since it uses as much as digits as its factorization.

13450026589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328049470.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 13450026589 in words is "thirteen billion, four hundred fifty million, twenty-six thousand, five hundred eighty-nine".