2159234250 has 256 divisors, whose sum is σ = 5977939968. Its totient is φ = 517440000.

The previous prime is 2159234221. The next prime is 2159234261. The reversal of 2159234250 is 524329512.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 30411715 + ... + 30411785.

It is an arithmetic number, because the mean of its divisors is an integer number (23351328).

Almost surely, 2^2159234250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2159234250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2988969984).

2159234250 is an abundant number, since it is smaller than the sum of its proper divisors (3818705718).

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

2159234250 is a wasteful number, since it uses less digits than its factorization.

2159234250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 2159234250 is about 46467.5612658982. The cubic root of 2159234250 is about 1292.5080405602.

The spelling of 2159234250 in words is "two billion, one hundred fifty-nine million, two hundred thirty-four thousand, two hundred fifty".