3605004965 has 4 divisors (see below), whose sum is σ = 4326005964. Its totient is φ = 2884003968.

The previous prime is 3605004959. The next prime is 3605004983. The reversal of 3605004965 is 5694005063.

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 1865030596 + 1739974369 = 43186^2 + 41713^2 .

It is a cyclic number.

It is not a de Polignac number, because 3605004965 - 2¹² = 3605000869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360500492 + ... + 360500501.

It is an arithmetic number, because the mean of its divisors is an integer number (1081501491).

Almost surely, 2^3605004965 is an apocalyptic number.

It is an amenable number.

3605004965 is a deficient number, since it is larger than the sum of its proper divisors (721000999).

3605004965 is an equidigital number, since it uses as much as digits as its factorization.

3605004965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721000998.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 3605004965 is about 60041.6935553953. The cubic root of 3605004965 is about 1533.3287862447.

The spelling of 3605004965 in words is "three billion, six hundred five million, four thousand, nine hundred sixty-five".