5361605209 has 2 divisors, whose sum is σ = 5361605210. Its totient is φ = 5361605208.

The previous prime is 5361605201. The next prime is 5361605261. The reversal of 5361605209 is 9025061635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5070152025 + 291453184 = 71205^2 + 17072^2 .

It is a cyclic number.

It is not a de Polignac number, because 5361605209 - 2³ = 5361605201 is a prime.

It is not a weakly prime, because it can be changed into another prime (5361605201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2680802604 + 2680802605.

It is an arithmetic number, because the mean of its divisors is an integer number (2680802605).

Almost surely, 2^5361605209 is an apocalyptic number.

It is an amenable number.

5361605209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5361605209 is an equidigital number, since it uses as much as digits as its factorization.

5361605209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 5361605209 is about 73222.9827922900. The cubic root of 5361605209 is about 1750.2427101733.

The spelling of 5361605209 in words is "five billion, three hundred sixty-one million, six hundred five thousand, two hundred nine".