13530241273 has 2 divisors, whose sum is σ = 13530241274. Its totient is φ = 13530241272.

The previous prime is 13530241237. The next prime is 13530241279. The reversal of 13530241273 is 37214203531.

Together with previous prime (13530241237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11144602624 + 2385638649 = 105568^2 + 48843^2 .

It is a cyclic number.

It is not a de Polignac number, because 13530241273 - 2³³ = 4940306681 is a prime.

It is not a weakly prime, because it can be changed into another prime (13530241279) 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 as a sum of consecutive naturals, namely, 6765120636 + 6765120637.

It is an arithmetic number, because the mean of its divisors is an integer number (6765120637).

Almost surely, 2^13530241273 is an apocalyptic number.

It is an amenable number.

13530241273 is a deficient number, since it is larger than the sum of its proper divisors (1).

13530241273 is an equidigital number, since it uses as much as digits as its factorization.

13530241273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 13530241273 in words is "thirteen billion, five hundred thirty million, two hundred forty-one thousand, two hundred seventy-three".