13275187493 has 2 divisors, whose sum is σ = 13275187494. Its totient is φ = 13275187492.

The previous prime is 13275187423. The next prime is 13275187529. The reversal of 13275187493 is 39478157231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11937310564 + 1337876929 = 109258^2 + 36577^2 .

It is a cyclic number.

It is not a de Polignac number, because 13275187493 - 2¹⁰ = 13275186469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13275187423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6637593746 + 6637593747.

It is an arithmetic number, because the mean of its divisors is an integer number (6637593747).

Almost surely, 2^13275187493 is an apocalyptic number.

It is an amenable number.

13275187493 is a deficient number, since it is larger than the sum of its proper divisors (1).

13275187493 is an equidigital number, since it uses as much as digits as its factorization.

13275187493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 50.

The spelling of 13275187493 in words is "thirteen billion, two hundred seventy-five million, one hundred eighty-seven thousand, four hundred ninety-three".