3243200643 has 24 divisors (see below), whose sum is σ = 4789512000. Its totient is φ = 2113824384.

The previous prime is 3243200599. The next prime is 3243200647. The reversal of 3243200643 is 3460023423.

It is a happy number.

It is not a de Polignac number, because 3243200643 - 2⁶ = 3243200579 is a prime.

It is a super-2 number, since 2×3243200643² = 21036700821511226898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3243200647) 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 in 23 ways as a sum of consecutive naturals, for example, 440073 + ... + 447381.

It is an arithmetic number, because the mean of its divisors is an integer number (199563000).

Almost surely, 2^3243200643 is an apocalyptic number.

3243200643 is a deficient number, since it is larger than the sum of its proper divisors (1546311357).

3243200643 is a wasteful number, since it uses less digits than its factorization.

3243200643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8411 (or 8408 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 3243200643 is about 56949.1057260779. The cubic root of 3243200643 is about 1480.2143351319.

The spelling of 3243200643 in words is "three billion, two hundred forty-three million, two hundred thousand, six hundred forty-three".