13671676335529 has 9 divisors (see below), whose sum is σ = 13861798769559. Its totient is φ = 13484126876400.

The previous prime is 13671676335511. The next prime is 13671676335563. The reversal of 13671676335529 is 92553367617631.

The square root of 13671676335529 is 3697523.

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

It can be written as a sum of positive squares in only one way, i.e., 7760709498025 + 5910966837504 = 2785805^2 + 2431248^2 .

It is not a de Polignac number, because 13671676335529 - 2¹⁵ = 13671676302761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13671676332529) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 269893854 + ... + 269944504.

Almost surely, 2^{13671676335529} is an apocalyptic number.

13671676335529 is the 3697523-rd square number.

13671676335529 is the 1848762-nd centered octagonal number.

It is an amenable number.

13671676335529 is a deficient number, since it is larger than the sum of its proper divisors (190122434030).

13671676335529 is an frugal number, since it uses more digits than its factorization.

13671676335529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101448 (or 50724 counting only the distinct ones).

The product of its digits is 128595600, while the sum is 64.

Multiplying 13671676335529 by its sum of digits (64), we get a square (874987285473856 = 29580184²).

The spelling of 13671676335529 in words is "thirteen trillion, six hundred seventy-one billion, six hundred seventy-six million, three hundred thirty-five thousand, five hundred twenty-nine".