2004479669 has 4 divisors (see below), whose sum is σ = 2034397344. Its totient is φ = 1974561996.

The previous prime is 2004479621. The next prime is 2004479671. The reversal of 2004479669 is 9669744002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2004479669 is a prime.

It is a super-2 number, since 2×2004479669² = 8035877486868699122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004479369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14958737 + ... + 14958870.

It is an arithmetic number, because the mean of its divisors is an integer number (508599336).

Almost surely, 2^2004479669 is an apocalyptic number.

It is an amenable number.

2004479669 is a deficient number, since it is larger than the sum of its proper divisors (29917675).

2004479669 is an equidigital number, since it uses as much as digits as its factorization.

2004479669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29917674.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 2004479669 is about 44771.4157582715. The cubic root of 2004479669 is about 1260.8610199962.

The spelling of 2004479669 in words is "two billion, four million, four hundred seventy-nine thousand, six hundred sixty-nine".