13636918670844 has 288 divisors, whose sum is σ = 38950880500224. Its totient is φ = 3635336517120.

The previous prime is 13636918670827. The next prime is 13636918670873. The reversal of 13636918670844 is 44807681963631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1568719762 + ... + 1568728454.

It is an arithmetic number, because the mean of its divisors is an integer number (135246112848).

Almost surely, 2^{13636918670844} is an apocalyptic number.

13636918670844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13636918670844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19475440250112).

13636918670844 is an abundant number, since it is smaller than the sum of its proper divisors (25313961829380).

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

13636918670844 is a wasteful number, since it uses less digits than its factorization.

13636918670844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9617 (or 9592 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 66.

The spelling of 13636918670844 in words is "thirteen trillion, six hundred thirty-six billion, nine hundred eighteen million, six hundred seventy thousand, eight hundred forty-four".