13281374673572 has 24 divisors (see below), whose sum is σ = 24585177192576. Its totient is φ = 6264948621888.

The previous prime is 13281374673557. The next prime is 13281374673607. The reversal of 13281374673572 is 27537647318231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988779368 + ... + 988792799.

It is an arithmetic number, because the mean of its divisors is an integer number (1024382383024).

Almost surely, 2^{13281374673572} is an apocalyptic number.

It is an amenable number.

13281374673572 is a deficient number, since it is larger than the sum of its proper divisors (11303802519004).

13281374673572 is a wasteful number, since it uses less digits than its factorization.

13281374673572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977572267 (or 1977572265 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 59.

The spelling of 13281374673572 in words is "thirteen trillion, two hundred eighty-one billion, three hundred seventy-four million, six hundred seventy-three thousand, five hundred seventy-two".