3605469449 has 4 divisors (see below), whose sum is σ = 3605695236. Its totient is φ = 3605243664.

The previous prime is 3605469437. The next prime is 3605469473. The reversal of 3605469449 is 9449645063.

3605469449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9449645063 = 14327 ⋅659569.

It can be written as a sum of positive squares in 2 ways, for example, as 80910025 + 3524559424 = 8995^2 + 59368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3605469449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3605469397 and 3605469406.

It is not an unprimeable number, because it can be changed into a prime (3605469479) 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, 86954 + ... + 121539.

It is an arithmetic number, because the mean of its divisors is an integer number (901423809).

Almost surely, 2^3605469449 is an apocalyptic number.

It is an amenable number.

3605469449 is a deficient number, since it is larger than the sum of its proper divisors (225787).

3605469449 is a wasteful number, since it uses less digits than its factorization.

3605469449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225786.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The square root of 3605469449 is about 60045.5614429576. The cubic root of 3605469449 is about 1533.3946369262.

The spelling of 3605469449 in words is "three billion, six hundred five million, four hundred sixty-nine thousand, four hundred forty-nine".