5405052209 has 2 divisors, whose sum is σ = 5405052210. Its totient is φ = 5405052208.

The previous prime is 5405052137. The next prime is 5405052251. The reversal of 5405052209 is 9022505045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5198842609 + 206209600 = 72103^2 + 14360^2 .

It is a cyclic number.

It is not a de Polignac number, because 5405052209 - 2¹² = 5405048113 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5405052259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2702526104 + 2702526105.

It is an arithmetic number, because the mean of its divisors is an integer number (2702526105).

Almost surely, 2^5405052209 is an apocalyptic number.

It is an amenable number.

5405052209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5405052209 is an equidigital number, since it uses as much as digits as its factorization.

5405052209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 5405052209 is about 73519.0601748961. The cubic root of 5405052209 is about 1754.9576112250.

The spelling of 5405052209 in words is "five billion, four hundred five million, fifty-two thousand, two hundred nine".