5486636209 has 2 divisors, whose sum is σ = 5486636210. Its totient is φ = 5486636208.

The previous prime is 5486636119. The next prime is 5486636291. The reversal of 5486636209 is 9026366845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5391671184 + 94965025 = 73428^2 + 9745^2 .

It is a cyclic number.

It is not a de Polignac number, because 5486636209 - 2¹⁷ = 5486505137 is a prime.

It is not a weakly prime, because it can be changed into another prime (5486636609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2743318104 + 2743318105.

It is an arithmetic number, because the mean of its divisors is an integer number (2743318105).

Almost surely, 2^5486636209 is an apocalyptic number.

It is an amenable number.

5486636209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5486636209 is an equidigital number, since it uses as much as digits as its factorization.

5486636209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The square root of 5486636209 is about 74071.8314138377. The cubic root of 5486636209 is about 1763.7433464395.

It can be divided in two parts, 5486636 and 209, that added together give a palindrome (5486845).

The spelling of 5486636209 in words is "five billion, four hundred eighty-six million, six hundred thirty-six thousand, two hundred nine".