13532731712573 has 2 divisors, whose sum is σ = 13532731712574. Its totient is φ = 13532731712572.

The previous prime is 13532731712569. The next prime is 13532731712587. The reversal of 13532731712573 is 37521713723531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10748549136004 + 2784182576569 = 3278498^2 + 1668587^2 .

It is an emirp because it is prime and its reverse (37521713723531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13532731712573 - 2² = 13532731712569 is a prime.

It is a super-2 number, since 2×13532731712573² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13532731712273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6766365856286 + 6766365856287.

It is an arithmetic number, because the mean of its divisors is an integer number (6766365856287).

Almost surely, 2^{13532731712573} is an apocalyptic number.

It is an amenable number.

13532731712573 is a deficient number, since it is larger than the sum of its proper divisors (1).

13532731712573 is an equidigital number, since it uses as much as digits as its factorization.

13532731712573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2778300, while the sum is 50.

The spelling of 13532731712573 in words is "thirteen trillion, five hundred thirty-two billion, seven hundred thirty-one million, seven hundred twelve thousand, five hundred seventy-three".