13531124989 has 2 divisors, whose sum is σ = 13531124990. Its totient is φ = 13531124988.

The previous prime is 13531124969. The next prime is 13531125007. The reversal of 13531124989 is 98942113531.

13531124989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12421102500 + 1110022489 = 111450^2 + 33317^2 .

It is a cyclic number.

It is not a de Polignac number, because 13531124989 - 2¹⁵ = 13531092221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531124909) 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 as a sum of consecutive naturals, namely, 6765562494 + 6765562495.

It is an arithmetic number, because the mean of its divisors is an integer number (6765562495).

Almost surely, 2^13531124989 is an apocalyptic number.

It is an amenable number.

13531124989 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531124989 is an equidigital number, since it uses as much as digits as its factorization.

13531124989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 46.

The spelling of 13531124989 in words is "thirteen billion, five hundred thirty-one million, one hundred twenty-four thousand, nine hundred eighty-nine".