13728781835 has 16 divisors (see below), whose sum is σ = 17456482560. Its totient is φ = 10336053600.

The previous prime is 13728781789. The next prime is 13728781841. The reversal of 13728781835 is 53818782731.

It is not a de Polignac number, because 13728781835 - 2⁶ = 13728781771 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464177 + ... + 492866.

It is an arithmetic number, because the mean of its divisors is an integer number (1091030160).

Almost surely, 2^13728781835 is an apocalyptic number.

13728781835 is a deficient number, since it is larger than the sum of its proper divisors (3727700725).

13728781835 is a wasteful number, since it uses less digits than its factorization.

13728781835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957218.

The product of its digits is 2257920, while the sum is 53.

The spelling of 13728781835 in words is "thirteen billion, seven hundred twenty-eight million, seven hundred eighty-one thousand, eight hundred thirty-five".