2189476546 has 16 divisors (see below), whose sum is σ = 3498235776. Its totient is φ = 1024169536.

The previous prime is 2189476543. The next prime is 2189476573. The reversal of 2189476546 is 6456749812.

It is a junction number, because it is equal to n+sod(n) for n = 2189476493 and 2189476502.

It is not an unprimeable number, because it can be changed into a prime (2189476543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187126 + ... + 198481.

It is an arithmetic number, because the mean of its divisors is an integer number (218639736).

Almost surely, 2^2189476546 is an apocalyptic number.

2189476546 is a deficient number, since it is larger than the sum of its proper divisors (1308759230).

2189476546 is a wasteful number, since it uses less digits than its factorization.

2189476546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385793.

The product of its digits is 2903040, while the sum is 52.

The square root of 2189476546 is about 46791.8427292621. The cubic root of 2189476546 is about 1298.5143869426.

The spelling of 2189476546 in words is "two billion, one hundred eighty-nine million, four hundred seventy-six thousand, five hundred forty-six".