13280026007329 has 9 divisors (see below), whose sum is σ = 13293965019153. Its totient is φ = 13266101607012.

The previous prime is 13280026007321. The next prime is 13280026007357. The reversal of 13280026007329 is 92370062008231.

The square root of 13280026007329 is 3644177.

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

It is not a de Polignac number, because 13280026007329 - 2³ = 13280026007321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13280026007321) 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, 6643333672 + ... + 6643335670.

Almost surely, 2^{13280026007329} is an apocalyptic number.

13280026007329 is the 3644177-th square number.

13280026007329 is the 1822089-th centered octagonal number.

It is an amenable number.

13280026007329 is a deficient number, since it is larger than the sum of its proper divisors (13939011824).

13280026007329 is an frugal number, since it uses more digits than its factorization.

13280026007329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7644 (or 3822 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 13280026007329 in words is "thirteen trillion, two hundred eighty billion, twenty-six million, seven thousand, three hundred twenty-nine".