13409728698 has 16 divisors (see below), whose sum is σ = 27259121376. Its totient is φ = 4396632240.

The previous prime is 13409728693. The next prime is 13409728727. The reversal of 13409728698 is 89682790431.

13409728698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13409728693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18318936 + ... + 18319667.

It is an arithmetic number, because the mean of its divisors is an integer number (1703695086).

Almost surely, 2^13409728698 is an apocalyptic number.

13409728698 is an abundant number, since it is smaller than the sum of its proper divisors (13849392678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13409728698 is a wasteful number, since it uses less digits than its factorization.

13409728698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36638669.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 13409728698 in words is "thirteen billion, four hundred nine million, seven hundred twenty-eight thousand, six hundred ninety-eight".