13341216673 has 4 divisors (see below), whose sum is σ = 13341616708. Its totient is φ = 13340816640.

The previous prime is 13341216661. The next prime is 13341216727. The reversal of 13341216673 is 37661214331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37661214331 = 13 ⋅2897016487.

It can be written as a sum of positive squares in 2 ways, for example, as 4364980624 + 8976236049 = 66068^2 + 94743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13341216673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13341216613) 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, 144936 + ... + 218377.

It is an arithmetic number, because the mean of its divisors is an integer number (3335404177).

Almost surely, 2^13341216673 is an apocalyptic number.

It is an amenable number.

13341216673 is a deficient number, since it is larger than the sum of its proper divisors (400035).

13341216673 is an equidigital number, since it uses as much as digits as its factorization.

13341216673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400034.

The product of its digits is 54432, while the sum is 37.

The spelling of 13341216673 in words is "thirteen billion, three hundred forty-one million, two hundred sixteen thousand, six hundred seventy-three".