5187223849 has 2 divisors, whose sum is σ = 5187223850. Its totient is φ = 5187223848.

The previous prime is 5187223837. The next prime is 5187223871. The reversal of 5187223849 is 9483227815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5031348624 + 155875225 = 70932^2 + 12485^2 .

It is a cyclic number.

It is not a de Polignac number, because 5187223849 - 2²³ = 5178835241 is a prime.

It is not a weakly prime, because it can be changed into another prime (5187223829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2593611924 + 2593611925.

It is an arithmetic number, because the mean of its divisors is an integer number (2593611925).

Almost surely, 2^5187223849 is an apocalyptic number.

It is an amenable number.

5187223849 is a deficient number, since it is larger than the sum of its proper divisors (1).

5187223849 is an equidigital number, since it uses as much as digits as its factorization.

5187223849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 49.

The square root of 5187223849 is about 72022.3843606972. The cubic root of 5187223849 is about 1731.0581750580.

The spelling of 5187223849 in words is "five billion, one hundred eighty-seven million, two hundred twenty-three thousand, eight hundred forty-nine".