2189527452 has 36 divisors (see below), whose sum is σ = 6325302256. Its totient is φ = 625579200.

The previous prime is 2189527447. The next prime is 2189527511. The reversal of 2189527452 is 2547259812.

2189527452 is a `hidden beast` number, since 2 + 1 + 89 + 527 + 45 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2189527452² = 9588060926123224608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2189527398 and 2189527407.

It is a congruent number.

It is an unprimeable number.

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, 4344049 + ... + 4344552.

Almost surely, 2^2189527452 is an apocalyptic number.

It is an amenable number.

2189527452 is an abundant number, since it is smaller than the sum of its proper divisors (4135774804).

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

2189527452 is a wasteful number, since it uses less digits than its factorization.

2189527452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8688618 (or 8688613 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 2189527452 is about 46792.3866884347. The cubic root of 2189527452 is about 1298.5244504836.

The spelling of 2189527452 in words is "two billion, one hundred eighty-nine million, five hundred twenty-seven thousand, four hundred fifty-two".