5991493287 has 48 divisors (see below), whose sum is σ = 9171714048. Its totient is φ = 3471361920.

The previous prime is 5991493253. The next prime is 5991493301. The reversal of 5991493287 is 7823941995.

It is a de Polignac number, because none of the positive numbers 2^k-5991493287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5991493237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 576378 + ... + 586680.

It is an arithmetic number, because the mean of its divisors is an integer number (191077376).

Almost surely, 2^5991493287 is an apocalyptic number.

5991493287 is a deficient number, since it is larger than the sum of its proper divisors (3180220761).

5991493287 is a wasteful number, since it uses less digits than its factorization.

5991493287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10400 (or 10387 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 57.

The square root of 5991493287 is about 77404.7368511773. The cubic root of 5991493287 is about 1816.2614242558.

The spelling of 5991493287 in words is "five billion, nine hundred ninety-one million, four hundred ninety-three thousand, two hundred eighty-seven".