2109868950 has 72 divisors (see below), whose sum is σ = 6086777832. Its totient is φ = 482254080.

The previous prime is 2109868949. The next prime is 2109868967. The reversal of 2109868950 is 598689012.

It is a happy number.

2109868950 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2109868950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 136179 + ... + 150878.

It is an arithmetic number, because the mean of its divisors is an integer number (84538581).

Almost surely, 2^2109868950 is an apocalyptic number.

2109868950 is an abundant number, since it is smaller than the sum of its proper divisors (3976908882).

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

2109868950 is a wasteful number, since it uses less digits than its factorization.

2109868950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287086 (or 287074 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 48.

The square root of 2109868950 is about 45933.3098088958. The cubic root of 2109868950 is about 1282.5820579865.

The spelling of 2109868950 in words is "two billion, one hundred nine million, eight hundred sixty-eight thousand, nine hundred fifty".