13847971066236 has 672 divisors, whose sum is σ = 41146172121600. Its totient is φ = 4053010452480.

The previous prime is 13847971066231. The next prime is 13847971066271. The reversal of 13847971066236 is 63266017974831.

It is a happy number.

13847971066236 is a `hidden beast` number, since 1 + 3 + 8 + 479 + 71 + 0 + 6 + 62 + 36 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13847971066231) 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 223 ways as a sum of consecutive naturals, for example, 9350418616 + ... + 9350420096.

It is an arithmetic number, because the mean of its divisors is an integer number (61229422800).

Almost surely, 2^{13847971066236} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13847971066236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20573086060800).

13847971066236 is an abundant number, since it is smaller than the sum of its proper divisors (27298201055364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13847971066236 is a wasteful number, since it uses less digits than its factorization.

13847971066236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741 (or 1724 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 13847971066236 in words is "thirteen trillion, eight hundred forty-seven billion, nine hundred seventy-one million, sixty-six thousand, two hundred thirty-six".