13445131589 has 2 divisors, whose sum is σ = 13445131590. Its totient is φ = 13445131588.

The previous prime is 13445131541. The next prime is 13445131691. The reversal of 13445131589 is 98513154431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9769740964 + 3675390625 = 98842^2 + 60625^2 .

It is an emirp because it is prime and its reverse (98513154431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13445131589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13445133589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722565794 + 6722565795.

It is an arithmetic number, because the mean of its divisors is an integer number (6722565795).

Almost surely, 2^13445131589 is an apocalyptic number.

It is an amenable number.

13445131589 is a deficient number, since it is larger than the sum of its proper divisors (1).

13445131589 is an equidigital number, since it uses as much as digits as its factorization.

13445131589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 44.

The spelling of 13445131589 in words is "thirteen billion, four hundred forty-five million, one hundred thirty-one thousand, five hundred eighty-nine".