5631718963 has 16 divisors (see below), whose sum is σ = 6111434560. Its totient is φ = 5158785024.

The previous prime is 5631718957. The next prime is 5631718991. The reversal of 5631718963 is 3698171365.

It is a cyclic number.

It is not a de Polignac number, because 5631718963 - 2²⁵ = 5598164531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5631718913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098895 + ... + 1104007.

It is an arithmetic number, because the mean of its divisors is an integer number (381964660).

Almost surely, 2^5631718963 is an apocalyptic number.

5631718963 is a deficient number, since it is larger than the sum of its proper divisors (479715597).

5631718963 is a wasteful number, since it uses less digits than its factorization.

5631718963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758.

The product of its digits is 816480, while the sum is 49.

The square root of 5631718963 is about 75044.7797185121. The cubic root of 5631718963 is about 1779.1544781804.

The spelling of 5631718963 in words is "five billion, six hundred thirty-one million, seven hundred eighteen thousand, nine hundred sixty-three".