3643642233 has 24 divisors (see below), whose sum is σ = 6561711936. Its totient is φ = 1892800800.

The previous prime is 3643642207. The next prime is 3643642237. The reversal of 3643642233 is 3322463463.

3643642233 is a `hidden beast` number, since 3 + 6 + 4 + 3 + 642 + 2 + 3 + 3 = 666.

It is not a de Polignac number, because 3643642233 - 2¹³ = 3643634041 is a prime.

It is a super-2 number, since 2×3643642233² = 26552257444202452578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3643642237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2628198 + ... + 2629583.

It is an arithmetic number, because the mean of its divisors is an integer number (273404664).

Almost surely, 2^3643642233 is an apocalyptic number.

3643642233 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3643642233 is a deficient number, since it is larger than the sum of its proper divisors (2918069703).

3643642233 is a wasteful number, since it uses less digits than its factorization.

3643642233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257805 (or 5257802 counting only the distinct ones).

The product of its digits is 186624, while the sum is 36.

The square root of 3643642233 is about 60362.5896810268. The cubic root of 3643642233 is about 1538.7872378316.

The spelling of 3643642233 in words is "three billion, six hundred forty-three million, six hundred forty-two thousand, two hundred thirty-three".