3261198868 has 6 divisors (see below), whose sum is σ = 5707098026. Its totient is φ = 1630599432.

The previous prime is 3261198851. The next prime is 3261198869. The reversal of 3261198868 is 8688911623.

It can be written as a sum of positive squares in only one way, i.e., 2710451844 + 550747024 = 52062^2 + 23468^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261198869) by changing a digit.

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 as a sum of consecutive naturals, namely, 407649855 + ... + 407649862.

Almost surely, 2^3261198868 is an apocalyptic number.

It is an amenable number.

3261198868 is a deficient number, since it is larger than the sum of its proper divisors (2445899158).

3261198868 is a wasteful number, since it uses less digits than its factorization.

3261198868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815299721 (or 815299719 counting only the distinct ones).

The product of its digits is 995328, while the sum is 52.

The square root of 3261198868 is about 57106.9073580421. The cubic root of 3261198868 is about 1482.9474479727.

The spelling of 3261198868 in words is "three billion, two hundred sixty-one million, one hundred ninety-eight thousand, eight hundred sixty-eight".