13550012729 has 16 divisors (see below), whose sum is σ = 14884617024. Its totient is φ = 12232708800.

The previous prime is 13550012711. The next prime is 13550012779. The reversal of 13550012729 is 92721005531.

13550012729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13550012729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13550012779) 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 15 ways as a sum of consecutive naturals, for example, 1844147 + ... + 1851479.

It is an arithmetic number, because the mean of its divisors is an integer number (930288564).

Almost surely, 2^13550012729 is an apocalyptic number.

It is an amenable number.

13550012729 is a deficient number, since it is larger than the sum of its proper divisors (1334604295).

13550012729 is a wasteful number, since it uses less digits than its factorization.

13550012729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8488.

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 13550012729 in words is "thirteen billion, five hundred fifty million, twelve thousand, seven hundred twenty-nine".