2189209548 has 24 divisors (see below), whose sum is σ = 5117024752. Its totient is φ = 728469504.

The previous prime is 2189209511. The next prime is 2189209579. The reversal of 2189209548 is 8459029812.

It is a junction number, because it is equal to n+sod(n) for n = 2189209497 and 2189209506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151165 + ... + 165012.

Almost surely, 2^2189209548 is an apocalyptic number.

It is an amenable number.

2189209548 is an abundant number, since it is smaller than the sum of its proper divisors (2927815204).

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

2189209548 is a wasteful number, since it uses less digits than its factorization.

2189209548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316761 (or 316759 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 2189209548 is about 46788.9896022558. The cubic root of 2189209548 is about 1298.4616019000.

The spelling of 2189209548 in words is "two billion, one hundred eighty-nine million, two hundred nine thousand, five hundred forty-eight".