13336668971 has 4 divisors (see below), whose sum is σ = 13336942032. Its totient is φ = 13336395912.

The previous prime is 13336668959. The next prime is 13336669007. The reversal of 13336668971 is 17986663331.

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 13336668971 - 2¹⁰ = 13336667947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13336661971) 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, 40976 + ... + 168381.

It is an arithmetic number, because the mean of its divisors is an integer number (3334235508).

Almost surely, 2^13336668971 is an apocalyptic number.

13336668971 is a deficient number, since it is larger than the sum of its proper divisors (273061).

13336668971 is an equidigital number, since it uses as much as digits as its factorization.

13336668971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273060.

The product of its digits is 2939328, while the sum is 53.

The spelling of 13336668971 in words is "thirteen billion, three hundred thirty-six million, six hundred sixty-eight thousand, nine hundred seventy-one".