13847603647636 has 12 divisors (see below), whose sum is σ = 26436334236480. Its totient is φ = 6294365294360.

The previous prime is 13847603647601. The next prime is 13847603647637. The reversal of 13847603647636 is 63674630674831.

It is a super-2 number, since 2×13847603647636² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13847603647637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157359132316 + ... + 157359132403.

It is an arithmetic number, because the mean of its divisors is an integer number (2203027853040).

Almost surely, 2^{13847603647636} is an apocalyptic number.

It is an amenable number.

13847603647636 is a deficient number, since it is larger than the sum of its proper divisors (12588730588844).

13847603647636 is a wasteful number, since it uses less digits than its factorization.

13847603647636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314718264734 (or 314718264732 counting only the distinct ones).

The product of its (nonzero) digits is 219469824, while the sum is 64.

The spelling of 13847603647636 in words is "thirteen trillion, eight hundred forty-seven billion, six hundred three million, six hundred forty-seven thousand, six hundred thirty-six".