6555568349 has 16 divisors (see below), whose sum is σ = 7401870720. Its totient is φ = 5751197760.

The previous prime is 6555568289. The next prime is 6555568387. The reversal of 6555568349 is 9438655556.

It is not a de Polignac number, because 6555568349 - 2⁸ = 6555568093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6555568294 and 6555568303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555568249) 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 in 15 ways as a sum of consecutive naturals, for example, 845639 + ... + 853355.

It is an arithmetic number, because the mean of its divisors is an integer number (462616920).

Almost surely, 2^6555568349 is an apocalyptic number.

It is an amenable number.

6555568349 is a deficient number, since it is larger than the sum of its proper divisors (846302371).

6555568349 is a wasteful number, since it uses less digits than its factorization.

6555568349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10420.

The product of its digits is 19440000, while the sum is 56.

The square root of 6555568349 is about 80966.4643479015. The cubic root of 6555568349 is about 1871.5586868076.

The spelling of 6555568349 in words is "six billion, five hundred fifty-five million, five hundred sixty-eight thousand, three hundred forty-nine".