13388216071 has 4 divisors (see below), whose sum is σ = 13451667544. Its totient is φ = 13324764600.

The previous prime is 13388216021. The next prime is 13388216087. The reversal of 13388216071 is 17061288331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17061288331 = 127 ⋅134340853.

It is a cyclic number.

It is not a de Polignac number, because 13388216071 - 2⁹ = 13388215559 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 (13388216021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31725420 + ... + 31725841.

It is an arithmetic number, because the mean of its divisors is an integer number (3362916886).

Almost surely, 2^13388216071 is an apocalyptic number.

13388216071 is a deficient number, since it is larger than the sum of its proper divisors (63451473).

13388216071 is an equidigital number, since it uses as much as digits as its factorization.

13388216071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63451472.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 13388216071 in words is "thirteen billion, three hundred eighty-eight million, two hundred sixteen thousand, seventy-one".