566684749469 has 2 divisors, whose sum is σ = 566684749470. Its totient is φ = 566684749468.

The previous prime is 566684749457. The next prime is 566684749481. The reversal of 566684749469 is 964947486665.

It is a balanced prime because it is at equal distance from previous prime (566684749457) and next prime (566684749481).

It can be written as a sum of positive squares in only one way, i.e., 507556504900 + 59128244569 = 712430^2 + 243163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-566684749469 is a prime.

It is a super-2 number, since 2×566684749469² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 566684749396 and 566684749405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566684749409) 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, 283342374734 + 283342374735.

It is an arithmetic number, because the mean of its divisors is an integer number (283342374735).

Almost surely, 2^566684749469 is an apocalyptic number.

It is an amenable number.

566684749469 is a deficient number, since it is larger than the sum of its proper divisors (1).

566684749469 is an equidigital number, since it uses as much as digits as its factorization.

566684749469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1881169920, while the sum is 74.

The spelling of 566684749469 in words is "five hundred sixty-six billion, six hundred eighty-four million, seven hundred forty-nine thousand, four hundred sixty-nine".