13847656907536 has 135 divisors (see below), whose sum is σ = 27733277142207. Its totient is φ = 6698239200000.

The previous prime is 13847656907503. The next prime is 13847656907587. The reversal of 13847656907536 is 63570965674831.

The square root of 13847656907536 is 3721244.

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

It can be written as a sum of positive squares in 4 ways, for example, as 4494897936 + 13843162009600 = 67044^2 + 3720640^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 91706337061 + ... + 91706337211.

Almost surely, 2^{13847656907536} is an apocalyptic number.

13847656907536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

13847656907536 is the 3721244-th square number.

It is an amenable number.

13847656907536 is an abundant number, since it is smaller than the sum of its proper divisors (13885620234671).

13847656907536 is an frugal number, since it uses more digits than its factorization.

13847656907536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 685843200, while the sum is 70.

The spelling of 13847656907536 in words is "thirteen trillion, eight hundred forty-seven billion, six hundred fifty-six million, nine hundred seven thousand, five hundred thirty-six".