2113809336 has 48 divisors (see below), whose sum is σ = 5770003200. Its totient is φ = 699052032.

The previous prime is 2113809317. The next prime is 2113809367. The reversal of 2113809336 is 6339083112.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2113809336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106441 + ... + 124728.

It is an arithmetic number, because the mean of its divisors is an integer number (120208400).

Almost surely, 2^2113809336 is an apocalyptic number.

It is an amenable number.

2113809336 is an abundant number, since it is smaller than the sum of its proper divisors (3656193864).

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

2113809336 is a wasteful number, since it uses less digits than its factorization.

2113809336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231308 (or 231301 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 2113809336 is about 45976.1822686486. The cubic root of 2113809336 is about 1283.3800104609.

The spelling of 2113809336 in words is "two billion, one hundred thirteen million, eight hundred nine thousand, three hundred thirty-six".