13438176455 has 32 divisors (see below), whose sum is σ = 19156262400. Its totient is φ = 8939548800.

The previous prime is 13438176431. The next prime is 13438176491. The reversal of 13438176455 is 55467183431.

13438176455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13438176455 - 2²² = 13433982151 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 191411 + ... + 252020.

It is an arithmetic number, because the mean of its divisors is an integer number (598633200).

Almost surely, 2^13438176455 is an apocalyptic number.

13438176455 is a deficient number, since it is larger than the sum of its proper divisors (5718085945).

13438176455 is a wasteful number, since it uses less digits than its factorization.

13438176455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443495.

The product of its digits is 1209600, while the sum is 47.

The spelling of 13438176455 in words is "thirteen billion, four hundred thirty-eight million, one hundred seventy-six thousand, four hundred fifty-five".