2113647618744 has 48 divisors (see below), whose sum is σ = 5725134043200. Its totient is φ = 704466530304.

The previous prime is 2113647618727. The next prime is 2113647618769. The reversal of 2113647618744 is 4478167463112.

2113647618744 is a `hidden beast` number, since 2 + 1 + 13 + 6 + 4 + 7 + 618 + 7 + 4 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1103049 + ... + 2333240.

It is an arithmetic number, because the mean of its divisors is an integer number (119273625900).

Almost surely, 2^{2113647618744} is an apocalyptic number.

2113647618744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2113647618744 is an abundant number, since it is smaller than the sum of its proper divisors (3611486424456).

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

2113647618744 is a wasteful number, since it uses less digits than its factorization.

2113647618744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444844 (or 3444837 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 2113647618744 in words is "two trillion, one hundred thirteen billion, six hundred forty-seven million, six hundred eighteen thousand, seven hundred forty-four".