5227971813 has 12 divisors (see below), whose sum is σ = 7554645228. Its totient is φ = 3483869760.

The previous prime is 5227971811. The next prime is 5227971817. The reversal of 5227971813 is 3181797225.

It can be written as a sum of positive squares in 2 ways, for example, as 4940262369 + 287709444 = 70287^2 + 16962^2 .

It is not a de Polignac number, because 5227971813 - 2¹ = 5227971811 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5227971811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97248 + ... + 141113.

It is an arithmetic number, because the mean of its divisors is an integer number (629553769).

Almost surely, 2^5227971813 is an apocalyptic number.

It is an amenable number.

5227971813 is a deficient number, since it is larger than the sum of its proper divisors (2326673415).

5227971813 is a wasteful number, since it uses less digits than its factorization.

5227971813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240804 (or 240801 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 5227971813 is about 72304.7150122314. The cubic root of 5227971813 is about 1735.5791031406.

The spelling of 5227971813 in words is "five billion, two hundred twenty-seven million, nine hundred seventy-one thousand, eight hundred thirteen".