5172786243 has 12 divisors (see below), whose sum is σ = 7494380088. Its totient is φ = 3438103680.

The previous prime is 5172786211. The next prime is 5172786247. The reversal of 5172786243 is 3426872715.

5172786243 is a `hidden beast` number, since 5 + 17 + 2 + 7 + 8 + 624 + 3 = 666.

It is not a de Polignac number, because 5172786243 - 2⁵ = 5172786211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5172786247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 865230 + ... + 871187.

It is an arithmetic number, because the mean of its divisors is an integer number (624531674).

Almost surely, 2^5172786243 is an apocalyptic number.

5172786243 is a deficient number, since it is larger than the sum of its proper divisors (2321593845).

5172786243 is a wasteful number, since it uses less digits than its factorization.

5172786243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736754 (or 1736751 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 5172786243 is about 71922.0845290235. The cubic root of 5172786243 is about 1729.4506640136.

The spelling of 5172786243 in words is "five billion, one hundred seventy-two million, seven hundred eighty-six thousand, two hundred forty-three".