5605052909 has 2 divisors, whose sum is σ = 5605052910. Its totient is φ = 5605052908.

The previous prime is 5605052879. The next prime is 5605052917. The reversal of 5605052909 is 9092505065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5576803684 + 28249225 = 74678^2 + 5315^2 .

It is a cyclic number.

It is not a de Polignac number, because 5605052909 - 2⁸ = 5605052653 is a prime.

It is a super-2 number, since 2×5605052909² = 62833236225378724562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5605052809) 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 as a sum of consecutive naturals, namely, 2802526454 + 2802526455.

It is an arithmetic number, because the mean of its divisors is an integer number (2802526455).

Almost surely, 2^5605052909 is an apocalyptic number.

It is an amenable number.

5605052909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5605052909 is an equidigital number, since it uses as much as digits as its factorization.

5605052909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121500, while the sum is 41.

The square root of 5605052909 is about 74866.9012915587. The cubic root of 5605052909 is about 1776.3419498424.

The spelling of 5605052909 in words is "five billion, six hundred five million, fifty-two thousand, nine hundred nine".