2189526088 has 8 divisors (see below), whose sum is σ = 4105361430. Its totient is φ = 1094763040.

The previous prime is 2189526043. The next prime is 2189526091. The reversal of 2189526088 is 8806259812.

It can be written as a sum of positive squares in only one way, i.e., 1850892484 + 338633604 = 43022^2 + 18402^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136845373 + ... + 136845388.

Almost surely, 2^2189526088 is an apocalyptic number.

It is an amenable number.

2189526088 is a deficient number, since it is larger than the sum of its proper divisors (1915835342).

2189526088 is a wasteful number, since it uses less digits than its factorization.

2189526088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273690767 (or 273690763 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 2189526088 is about 46792.3721134118. The cubic root of 2189526088 is about 1298.5241808382.

The spelling of 2189526088 in words is "two billion, one hundred eighty-nine million, five hundred twenty-six thousand, eighty-eight".