2113982900 has 72 divisors (see below), whose sum is σ = 4809067200. Its totient is φ = 805066240.

The previous prime is 2113982891. The next prime is 2113982911. The reversal of 2113982900 is 92893112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 520076 + ... + 524124.

It is an arithmetic number, because the mean of its divisors is an integer number (66792600).

Almost surely, 2^2113982900 is an apocalyptic number.

2113982900 is a gapful number since it is divisible by the number (20) 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 2113982900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2404533600).

2113982900 is an abundant number, since it is smaller than the sum of its proper divisors (2695084300).

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

2113982900 is a wasteful number, since it uses less digits than its factorization.

2113982900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313 (or 4306 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 2113982900 is about 45978.0697724470. The cubic root of 2113982900 is about 1283.4151354315.

The spelling of 2113982900 in words is "two billion, one hundred thirteen million, nine hundred eighty-two thousand, nine hundred".