3641333668 has 18 divisors (see below), whose sum is σ = 7412715366. Its totient is φ = 1560571488.

The previous prime is 3641333653. The next prime is 3641333737. The reversal of 3641333668 is 8663331463.

It can be written as a sum of positive squares in only one way, i.e., 2909739364 + 731594304 = 53942^2 + 27048^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9288921 + ... + 9289312.

Almost surely, 2^3641333668 is an apocalyptic number.

It is an amenable number.

3641333668 is an abundant number, since it is smaller than the sum of its proper divisors (3771381698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3641333668 is a wasteful number, since it uses less digits than its factorization.

3641333668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18578251 (or 18578242 counting only the distinct ones).

The product of its digits is 559872, while the sum is 43.

The square root of 3641333668 is about 60343.4641697011. The cubic root of 3641333668 is about 1538.4621838841.

The spelling of 3641333668 in words is "three billion, six hundred forty-one million, three hundred thirty-three thousand, six hundred sixty-eight".