13281374673573 has 16 divisors (see below), whose sum is σ = 18279975168000. Its totient is φ = 8568519283440.

The previous prime is 13281374673557. The next prime is 13281374673607. The reversal of 13281374673573 is 37537647318231.

13281374673573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13281374673573 - 2⁴ = 13281374673557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13281374678573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6744738 + ... + 8488476.

It is an arithmetic number, because the mean of its divisors is an integer number (1142498448000).

Almost surely, 2^{13281374673573} is an apocalyptic number.

It is an amenable number.

13281374673573 is a deficient number, since it is larger than the sum of its proper divisors (4998600494427).

13281374673573 is a wasteful number, since it uses less digits than its factorization.

13281374673573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825672.

The product of its digits is 53343360, while the sum is 60.

The spelling of 13281374673573 in words is "thirteen trillion, two hundred eighty-one billion, three hundred seventy-four million, six hundred seventy-three thousand, five hundred seventy-three".