13596601645449 has 45 divisors (see below), whose sum is σ = 20310065826765. Its totient is φ = 8765142577560.

The previous prime is 13596601645357. The next prime is 13596601645469. The reversal of 13596601645449 is 94454610669531.

It is a happy number.

The square root of 13596601645449 is 3687357.

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

13596601645449 is a `hidden beast` number, since 1 + 3 + 5 + 96 + 60 + 1 + 6 + 45 + 449 = 666.

It is not a de Polignac number, because 13596601645449 - 2⁷ = 13596601645321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13596601645469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 10630649592 + ... + 10630650870.

Almost surely, 2^{13596601645449} is an apocalyptic number.

13596601645449 is the 3687357-th square number.

13596601645449 is the 1843679-th centered octagonal number.

It is an amenable number.

13596601645449 is a deficient number, since it is larger than the sum of its proper divisors (6713464181316).

13596601645449 is an frugal number, since it uses more digits than its factorization.

13596601645449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 63.

The spelling of 13596601645449 in words is "thirteen trillion, five hundred ninety-six billion, six hundred one million, six hundred forty-five thousand, four hundred forty-nine".