4523516643 has 8 divisors (see below), whose sum is σ = 6053778000. Its totient is φ = 3004466528.

The previous prime is 4523516639. The next prime is 4523516653. The reversal of 4523516643 is 3466153254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4523516643 - 2² = 4523516639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4523516633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2801868 + ... + 2803481.

It is an arithmetic number, because the mean of its divisors is an integer number (756722250).

Almost surely, 2^4523516643 is an apocalyptic number.

4523516643 is a deficient number, since it is larger than the sum of its proper divisors (1530261357).

4523516643 is a wasteful number, since it uses less digits than its factorization.

4523516643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605621.

The product of its digits is 259200, while the sum is 39.

The square root of 4523516643 is about 67257.0936258771. The cubic root of 4523516643 is about 1653.8345641140.

Adding to 4523516643 its reverse (3466153254), we get a palindrome (7989669897).

The spelling of 4523516643 in words is "four billion, five hundred twenty-three million, five hundred sixteen thousand, six hundred forty-three".