2004416605 has 4 divisors (see below), whose sum is σ = 2405299932. Its totient is φ = 1603533280.

The previous prime is 2004416563. The next prime is 2004416621. The reversal of 2004416605 is 5066144002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1449248761 + 555167844 = 38069^2 + 23562^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2004416605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200441656 + ... + 200441665.

It is an arithmetic number, because the mean of its divisors is an integer number (601324983).

Almost surely, 2^2004416605 is an apocalyptic number.

It is an amenable number.

2004416605 is a deficient number, since it is larger than the sum of its proper divisors (400883327).

2004416605 is an equidigital number, since it uses as much as digits as its factorization.

2004416605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400883326.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2004416605 is about 44770.7114640811. The cubic root of 2004416605 is about 1260.8477969847.

It can be divided in two parts, 200441 and 6605, that added together give a triangular number (207046 = T₆₄₃).

The spelling of 2004416605 in words is "two billion, four million, four hundred sixteen thousand, six hundred five".