3604321265 has 4 divisors (see below), whose sum is σ = 4325185524. Its totient is φ = 2883457008.

The previous prime is 3604321207. The next prime is 3604321297. The reversal of 3604321265 is 5621234063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5621234063 = 23 ⋅244401481.

It can be written as a sum of positive squares in 2 ways, for example, as 938870881 + 2665450384 = 30641^2 + 51628^2 .

It is a cyclic number.

It is not a de Polignac number, because 3604321265 - 2¹⁴ = 3604304881 is a prime.

It is a super-2 number, since 2×3604321265² = 25982263562662400450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360432122 + ... + 360432131.

It is an arithmetic number, because the mean of its divisors is an integer number (1081296381).

Almost surely, 2^3604321265 is an apocalyptic number.

It is an amenable number.

3604321265 is a deficient number, since it is larger than the sum of its proper divisors (720864259).

3604321265 is an equidigital number, since it uses as much as digits as its factorization.

3604321265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720864258.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 3604321265 is about 60035.9997418216. Note that the first 3 decimals coincide. The cubic root of 3604321265 is about 1533.2318466489.

The spelling of 3604321265 in words is "three billion, six hundred four million, three hundred twenty-one thousand, two hundred sixty-five".