2113975650 has 48 divisors (see below), whose sum is σ = 5245717824. Its totient is φ = 563398080.

The previous prime is 2113975597. The next prime is 2113975651. The reversal of 2113975650 is 565793112.

It is a junction number, because it is equal to n+sod(n) for n = 2113975599 and 2113975608.

It is not an unprimeable number, because it can be changed into a prime (2113975651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362659 + ... + 368441.

It is an arithmetic number, because the mean of its divisors is an integer number (109285788).

Almost surely, 2^2113975650 is an apocalyptic number.

2113975650 is an abundant number, since it is smaller than the sum of its proper divisors (3131742174).

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

2113975650 is a wasteful number, since it uses less digits than its factorization.

2113975650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8235 (or 8230 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 2113975650 is about 45977.9909304441. The cubic root of 2113975650 is about 1283.4136682530.

The spelling of 2113975650 in words is "two billion, one hundred thirteen million, nine hundred seventy-five thousand, six hundred fifty".