4536644543 has 4 divisors (see below), whose sum is σ = 4538916000. Its totient is φ = 4534373088.

The previous prime is 4536644533. The next prime is 4536644569. The reversal of 4536644543 is 3454466354.

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 4536644543 - 2⁴ = 4536644527 is a prime.

It is a super-2 number, since 2×4536644543² = 41162287419063357698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4536644494 and 4536644503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4536644533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132730 + ... + 1136727.

It is an arithmetic number, because the mean of its divisors is an integer number (1134729000).

Almost surely, 2^4536644543 is an apocalyptic number.

4536644543 is a deficient number, since it is larger than the sum of its proper divisors (2271457).

4536644543 is a wasteful number, since it uses less digits than its factorization.

4536644543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271456.

The product of its digits is 2073600, while the sum is 44.

The square root of 4536644543 is about 67354.6178298118. The cubic root of 4536644543 is about 1655.4329079912.

The spelling of 4536644543 in words is "four billion, five hundred thirty-six million, six hundred forty-four thousand, five hundred forty-three".