2180255889 has 32 divisors (see below), whose sum is σ = 3352674304. Its totient is φ = 1234517760.

The previous prime is 2180255879. The next prime is 2180255897. The reversal of 2180255889 is 9885520812.

It is not a de Polignac number, because 2180255889 - 2⁸ = 2180255633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2180255849) 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 31 ways as a sum of consecutive naturals, for example, 1481424 + ... + 1482894.

It is an arithmetic number, because the mean of its divisors is an integer number (104771072).

Almost surely, 2^2180255889 is an apocalyptic number.

It is an amenable number.

2180255889 is a deficient number, since it is larger than the sum of its proper divisors (1172418415).

2180255889 is a wasteful number, since it uses less digits than its factorization.

2180255889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077.

The product of its (nonzero) digits is 460800, while the sum is 48.

The square root of 2180255889 is about 46693.2103094229. The cubic root of 2180255889 is about 1296.6889882411.

The spelling of 2180255889 in words is "two billion, one hundred eighty million, two hundred fifty-five thousand, eight hundred eighty-nine".