3299698249 has 27 divisors (see below), whose sum is σ = 3655468341. Its totient is φ = 2977845120.

The previous prime is 3299698247. The next prime is 3299698253. The reversal of 3299698249 is 9428969923.

The square root of 3299698249 is 57443.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 752679225 + 2547019024 = 27435^2 + 50468^2 .

It is not a de Polignac number, because 3299698249 - 2¹ = 3299698247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3299698247) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 30272407 + ... + 30272515.

Almost surely, 2^3299698249 is an apocalyptic number.

3299698249 is the 57443-rd square number.

3299698249 is the 28722-nd centered octagonal number.

It is an amenable number.

3299698249 is a deficient number, since it is larger than the sum of its proper divisors (355770092).

3299698249 is an equidigital number, since it uses as much as digits as its factorization.

3299698249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 157 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 61.

The cubic root of 3299698249 is about 1488.7601729278.

The spelling of 3299698249 in words is "three billion, two hundred ninety-nine million, six hundred ninety-eight thousand, two hundred forty-nine".