13403405728744 has 32 divisors (see below), whose sum is σ = 26647185844800. Its totient is φ = 6302638719360.

The previous prime is 13403405728733. The next prime is 13403405728799. The reversal of 13403405728744 is 44782750430431.

It is a junction number, because it is equal to n+sod(n) for n = 13403405728691 and 13403405728700.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 321805092 + ... + 321846739.

It is an arithmetic number, because the mean of its divisors is an integer number (832724557650).

Almost surely, 2^{13403405728744} is an apocalyptic number.

It is an amenable number.

13403405728744 is a deficient number, since it is larger than the sum of its proper divisors (13243780116056).

13403405728744 is a wasteful number, since it uses less digits than its factorization.

13403405728744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643651993 (or 643651989 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 52.

The spelling of 13403405728744 in words is "thirteen trillion, four hundred three billion, four hundred five million, seven hundred twenty-eight thousand, seven hundred forty-four".