13671923329 has 3 divisors (see below), whose sum is σ = 13672040257. Its totient is φ = 13671806402.

The previous prime is 13671923297. The next prime is 13671923339. The reversal of 13671923329 is 92332917631.

The square root of 13671923329 is 116927.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 13671923329 - 2⁵ = 13671923297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13671923339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 58464 + ... + 175390.

Almost surely, 2^13671923329 is an apocalyptic number.

13671923329 is the 116927-th square number.

13671923329 is the 58464-th centered octagonal number.

It is an amenable number.

13671923329 is a deficient number, since it is larger than the sum of its proper divisors (116928).

13671923329 is an frugal number, since it uses more digits than its factorization.

13671923329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233854 (or 116927 counting only the distinct ones).

The product of its digits is 367416, while the sum is 46.

The spelling of 13671923329 in words is "thirteen billion, six hundred seventy-one million, nine hundred twenty-three thousand, three hundred twenty-nine".