2189479362 has 16 divisors (see below), whose sum is σ = 5004524352. Its totient is φ = 625565520.

The previous prime is 2189479333. The next prime is 2189479363. The reversal of 2189479362 is 2639749812.

It is not an unprimeable number, because it can be changed into a prime (2189479363) 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 7 ways as a sum of consecutive naturals, for example, 26065189 + ... + 26065272.

It is an arithmetic number, because the mean of its divisors is an integer number (312782772).

Almost surely, 2^2189479362 is an apocalyptic number.

2189479362 is an abundant number, since it is smaller than the sum of its proper divisors (2815044990).

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

2189479362 is a wasteful number, since it uses less digits than its factorization.

2189479362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52130473.

The product of its digits is 1306368, while the sum is 51.

The square root of 2189479362 is about 46791.8728199674. The cubic root of 2189479362 is about 1298.5149436380.

The spelling of 2189479362 in words is "two billion, one hundred eighty-nine million, four hundred seventy-nine thousand, three hundred sixty-two".