5631916893 has 16 divisors (see below), whose sum is σ = 8120113920. Its totient is φ = 3458564096.

The previous prime is 5631916879. The next prime is 5631916963. The reversal of 5631916893 is 3986191365.

It is a cyclic number.

It is not a de Polignac number, because 5631916893 - 2⁴ = 5631916877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631916813) 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, 1172388 + ... + 1177181.

It is an arithmetic number, because the mean of its divisors is an integer number (507507120).

Almost surely, 2^5631916893 is an apocalyptic number.

It is an amenable number.

5631916893 is a deficient number, since it is larger than the sum of its proper divisors (2488197027).

5631916893 is a wasteful number, since it uses less digits than its factorization.

5631916893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349636.

The product of its digits is 1049760, while the sum is 51.

The square root of 5631916893 is about 75046.0984528843. The cubic root of 5631916893 is about 1779.1753210718.

The spelling of 5631916893 in words is "five billion, six hundred thirty-one million, nine hundred sixteen thousand, eight hundred ninety-three".