5556347309 has 2 divisors, whose sum is σ = 5556347310. Its totient is φ = 5556347308.

The previous prime is 5556347299. The next prime is 5556347311. The reversal of 5556347309 is 9037436555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5278458409 + 277888900 = 72653^2 + 16670^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5556347309 is a prime.

Together with 5556347311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5556347339) 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, 2778173654 + 2778173655.

It is an arithmetic number, because the mean of its divisors is an integer number (2778173655).

Almost surely, 2^5556347309 is an apocalyptic number.

It is an amenable number.

5556347309 is a deficient number, since it is larger than the sum of its proper divisors (1).

5556347309 is an equidigital number, since it uses as much as digits as its factorization.

5556347309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701000, while the sum is 47.

The square root of 5556347309 is about 74540.9103043423. The cubic root of 5556347309 is about 1771.1817476660.

The spelling of 5556347309 in words is "five billion, five hundred fifty-six million, three hundred forty-seven thousand, three hundred nine".