4636000643 has 4 divisors (see below), whose sum is σ = 4639598520. Its totient is φ = 4632402768.

The previous prime is 4636000631. The next prime is 4636000651. The reversal of 4636000643 is 3460006364.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4636000643 - 2²⁶ = 4568891779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4636000673) 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 3 ways as a sum of consecutive naturals, for example, 1797005 + ... + 1799582.

It is an arithmetic number, because the mean of its divisors is an integer number (1159899630).

Almost surely, 2^4636000643 is an apocalyptic number.

4636000643 is a deficient number, since it is larger than the sum of its proper divisors (3597877).

4636000643 is a wasteful number, since it uses less digits than its factorization.

4636000643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597876.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 4636000643 is about 68088.1828440149. The cubic root of 4636000643 is about 1667.4308378430.

The spelling of 4636000643 in words is "four billion, six hundred thirty-six million, six hundred forty-three", and thus it is an aban number.