2113917696 has 144 divisors (see below), whose sum is σ = 6819765120. Its totient is φ = 640558080.

The previous prime is 2113917679. The next prime is 2113917739. The reversal of 2113917696 is 6967193112.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62131 + ... + 89933.

It is an arithmetic number, because the mean of its divisors is an integer number (47359480).

Almost surely, 2^2113917696 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 2113917696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3409882560).

2113917696 is an abundant number, since it is smaller than the sum of its proper divisors (4705847424).

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

2113917696 is a wasteful number, since it uses less digits than its factorization.

2113917696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27839 (or 27819 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 2113917696 is about 45977.3606898004. The cubic root of 2113917696 is about 1283.4019400140.

The spelling of 2113917696 in words is "two billion, one hundred thirteen million, nine hundred seventeen thousand, six hundred ninety-six".