3305505249 has 6 divisors (see below), whose sum is σ = 4774618706. Its totient is φ = 2203670160.

The previous prime is 3305505197. The next prime is 3305505319. The reversal of 3305505249 is 9425055033.

It can be written as a sum of positive squares in only one way, i.e., 3262694400 + 42810849 = 57120^2 + 6543^2 .

It is not a de Polignac number, because 3305505249 - 2⁷ = 3305505121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3305500249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 183639172 + ... + 183639189.

Almost surely, 2^3305505249 is an apocalyptic number.

It is an amenable number.

3305505249 is a deficient number, since it is larger than the sum of its proper divisors (1469113457).

3305505249 is a wasteful number, since it uses less digits than its factorization.

3305505249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367278367 (or 367278364 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The square root of 3305505249 is about 57493.5235396127. The cubic root of 3305505249 is about 1489.6329965585.

The spelling of 3305505249 in words is "three billion, three hundred five million, five hundred five thousand, two hundred forty-nine".