5605343761 has 2 divisors, whose sum is σ = 5605343762. Its totient is φ = 5605343760.

The previous prime is 5605343747. The next prime is 5605343803. The reversal of 5605343761 is 1673435065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3677694736 + 1927649025 = 60644^2 + 43905^2 .

It is a cyclic number.

It is not a de Polignac number, because 5605343761 - 2⁷ = 5605343633 is a prime.

It is not a weakly prime, because it can be changed into another prime (5605343701) 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, 2802671880 + 2802671881.

It is an arithmetic number, because the mean of its divisors is an integer number (2802671881).

Almost surely, 2^5605343761 is an apocalyptic number.

It is an amenable number.

5605343761 is a deficient number, since it is larger than the sum of its proper divisors (1).

5605343761 is an equidigital number, since it uses as much as digits as its factorization.

5605343761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 5605343761 is about 74868.8437268801. The cubic root of 5605343761 is about 1776.3726747188.

The spelling of 5605343761 in words is "five billion, six hundred five million, three hundred forty-three thousand, seven hundred sixty-one".