2159289650 has 24 divisors (see below), whose sum is σ = 4590033600. Its totient is φ = 740327760.

The previous prime is 2159289607. The next prime is 2159289653. The reversal of 2159289650 is 569829512.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2159289595 and 2159289604.

It is not an unprimeable number, because it can be changed into a prime (2159289653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3084350 + ... + 3085049.

It is an arithmetic number, because the mean of its divisors is an integer number (191251400).

Almost surely, 2^2159289650 is an apocalyptic number.

2159289650 is an abundant number, since it is smaller than the sum of its proper divisors (2430743950).

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

2159289650 is a wasteful number, since it uses less digits than its factorization.

2159289650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6169418 (or 6169413 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 2159289650 is about 46468.1573768532. The cubic root of 2159289650 is about 1292.5190945304.

The spelling of 2159289650 in words is "two billion, one hundred fifty-nine million, two hundred eighty-nine thousand, six hundred fifty".