682629569 has 2 divisors, whose sum is σ = 682629570. Its totient is φ = 682629568.

The previous prime is 682629553. The next prime is 682629631. The reversal of 682629569 is 965926286.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 615635344 + 66994225 = 24812^2 + 8185^2 .

It is a cyclic number.

It is not a de Polignac number, because 682629569 - 2⁴ = 682629553 is a prime.

It is a super-2 number, since 2×682629569² = 931966256946251522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 682629569.

It is not a weakly prime, because it can be changed into another prime (682620569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341314784 + 341314785.

It is an arithmetic number, because the mean of its divisors is an integer number (341314785).

Almost surely, 2^682629569 is an apocalyptic number.

It is an amenable number.

682629569 is a deficient number, since it is larger than the sum of its proper divisors (1).

682629569 is an equidigital number, since it uses as much as digits as its factorization.

682629569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 53.

The square root of 682629569 is about 26127.1806554018. The cubic root of 682629569 is about 880.4979830366.

The spelling of 682629569 in words is "six hundred eighty-two million, six hundred twenty-nine thousand, five hundred sixty-nine".