13338948871 has 4 divisors (see below), whose sum is σ = 13521674272. Its totient is φ = 13156223472.

The previous prime is 13338948853. The next prime is 13338948899. The reversal of 13338948871 is 17884983331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13338948871 - 2⁵ = 13338948839 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 (13338948071) 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, 91362591 + ... + 91362736.

It is an arithmetic number, because the mean of its divisors is an integer number (3380418568).

Almost surely, 2^13338948871 is an apocalyptic number.

13338948871 is a deficient number, since it is larger than the sum of its proper divisors (182725401).

13338948871 is an equidigital number, since it uses as much as digits as its factorization.

13338948871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182725400.

The product of its digits is 3483648, while the sum is 55.

The spelling of 13338948871 in words is "thirteen billion, three hundred thirty-eight million, nine hundred forty-eight thousand, eight hundred seventy-one".