4563539785 has 24 divisors (see below), whose sum is σ = 6377222016. Its totient is φ = 3125898720.

The previous prime is 4563539767. The next prime is 4563539801. The reversal of 4563539785 is 5879353654.

It is not a de Polignac number, because 4563539785 - 2¹⁵ = 4563507017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228304 + ... + 247486.

It is an arithmetic number, because the mean of its divisors is an integer number (265717584).

Almost surely, 2^4563539785 is an apocalyptic number.

It is an amenable number.

4563539785 is a deficient number, since it is larger than the sum of its proper divisors (1813682231).

4563539785 is a wasteful number, since it uses less digits than its factorization.

4563539785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20173 (or 20166 counting only the distinct ones).

The product of its digits is 13608000, while the sum is 55.

The square root of 4563539785 is about 67553.9768259427. The cubic root of 4563539785 is about 1658.6978447620.

The spelling of 4563539785 in words is "four billion, five hundred sixty-three million, five hundred thirty-nine thousand, seven hundred eighty-five".