2004479899 has 4 divisors (see below), whose sum is σ = 2023213464. Its totient is φ = 1985746336.

The previous prime is 2004479839. The next prime is 2004479927. The reversal of 2004479899 is 9989744002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2004479899 - 2¹¹ = 2004477851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2004479819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9366622 + ... + 9366835.

It is an arithmetic number, because the mean of its divisors is an integer number (505803366).

Almost surely, 2^2004479899 is an apocalyptic number.

2004479899 is a deficient number, since it is larger than the sum of its proper divisors (18733565).

2004479899 is a wasteful number, since it uses less digits than its factorization.

2004479899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18733564.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 2004479899 is about 44771.4183268746. The cubic root of 2004479899 is about 1260.8610682212.

The spelling of 2004479899 in words is "two billion, four million, four hundred seventy-nine thousand, eight hundred ninety-nine".