13538234177447 has 8 divisors (see below), whose sum is σ = 15472307644800. Its totient is φ = 11604170713464.

The previous prime is 13538234177339. The next prime is 13538234177453. The reversal of 13538234177447 is 74477143283531.

13538234177447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13538234177447 - 2³⁶ = 13469514700711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13538234177467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666704 + ... + 5246042.

It is an arithmetic number, because the mean of its divisors is an integer number (1934038455600).

Almost surely, 2^{13538234177447} is an apocalyptic number.

13538234177447 is a deficient number, since it is larger than the sum of its proper divisors (1934073467353).

13538234177447 is an equidigital number, since it uses as much as digits as its factorization.

13538234177447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001685.

The product of its digits is 47416320, while the sum is 59.

The spelling of 13538234177447 in words is "thirteen trillion, five hundred thirty-eight billion, two hundred thirty-four million, one hundred seventy-seven thousand, four hundred forty-seven".