5547220813 has 2 divisors, whose sum is σ = 5547220814. Its totient is φ = 5547220812.

The previous prime is 5547220801. The next prime is 5547220823. The reversal of 5547220813 is 3180227455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4227860484 + 1319360329 = 65022^2 + 36323^2 .

It is a cyclic number.

It is not a de Polignac number, because 5547220813 - 2²⁹ = 5010349901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5547220823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2773610406 + 2773610407.

It is an arithmetic number, because the mean of its divisors is an integer number (2773610407).

Almost surely, 2^5547220813 is an apocalyptic number.

It is an amenable number.

5547220813 is a deficient number, since it is larger than the sum of its proper divisors (1).

5547220813 is an equidigital number, since it uses as much as digits as its factorization.

5547220813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 5547220813 is about 74479.6671112324. The cubic root of 5547220813 is about 1770.2114734508.

The spelling of 5547220813 in words is "five billion, five hundred forty-seven million, two hundred twenty thousand, eight hundred thirteen".