6566562229 has 2 divisors, whose sum is σ = 6566562230. Its totient is φ = 6566562228.

The previous prime is 6566562113. The next prime is 6566562251. The reversal of 6566562229 is 9222656656.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5786644900 + 779917329 = 76070^2 + 27927^2 .

It is a cyclic number.

It is not a de Polignac number, because 6566562229 - 2²¹ = 6564465077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6566562029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3283281114 + 3283281115.

It is an arithmetic number, because the mean of its divisors is an integer number (3283281115).

Almost surely, 2^6566562229 is an apocalyptic number.

It is an amenable number.

6566562229 is a deficient number, since it is larger than the sum of its proper divisors (1).

6566562229 is an equidigital number, since it uses as much as digits as its factorization.

6566562229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2332800, while the sum is 49.

The square root of 6566562229 is about 81034.3274729913. The cubic root of 6566562229 is about 1872.6043220708.

The spelling of 6566562229 in words is "six billion, five hundred sixty-six million, five hundred sixty-two thousand, two hundred twenty-nine".