5281630563 has 16 divisors (see below), whose sum is σ = 7731311616. Its totient is φ = 3180596640.

The previous prime is 5281630559. The next prime is 5281630577. The reversal of 5281630563 is 3650361825.

It is not a de Polignac number, because 5281630563 - 2² = 5281630559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5281630163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504531 + ... + 514892.

It is an arithmetic number, because the mean of its divisors is an integer number (483206976).

Almost surely, 2^5281630563 is an apocalyptic number.

5281630563 is a deficient number, since it is larger than the sum of its proper divisors (2449681053).

5281630563 is a wasteful number, since it uses less digits than its factorization.

5281630563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019594.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 5281630563 is about 72674.8275746149. The cubic root of 5281630563 is about 1741.4967702878.

The spelling of 5281630563 in words is "five billion, two hundred eighty-one million, six hundred thirty thousand, five hundred sixty-three".