4513643563 has 8 divisors (see below), whose sum is σ = 5302742256. Its totient is φ = 3787672800.

The previous prime is 4513643551. The next prime is 4513643567. The reversal of 4513643563 is 3653463154.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4513643563 is a prime.

It is a super-2 number, since 2×4513643563² = 40745956427622669938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4513643567) 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, 15781828 + ... + 15782113.

It is an arithmetic number, because the mean of its divisors is an integer number (662842782).

Almost surely, 2^4513643563 is an apocalyptic number.

4513643563 is a deficient number, since it is larger than the sum of its proper divisors (789098693).

4513643563 is a wasteful number, since it uses less digits than its factorization.

4513643563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31563965.

The product of its digits is 388800, while the sum is 40.

The square root of 4513643563 is about 67183.6554751228. The cubic root of 4513643563 is about 1652.6304614787.

The spelling of 4513643563 in words is "four billion, five hundred thirteen million, six hundred forty-three thousand, five hundred sixty-three".