682649029 has 2 divisors, whose sum is σ = 682649030. Its totient is φ = 682649028.

The previous prime is 682649027. The next prime is 682649041. The reversal of 682649029 is 920946286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 682620129 + 28900 = 26127^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 682649029 - 2¹ = 682649027 is a prime.

Together with 682649027, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 682649029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682649027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341324514 + 341324515.

It is an arithmetic number, because the mean of its divisors is an integer number (341324515).

Almost surely, 2^682649029 is an apocalyptic number.

It is an amenable number.

682649029 is a deficient number, since it is larger than the sum of its proper divisors (1).

682649029 is an equidigital number, since it uses as much as digits as its factorization.

682649029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 682649029 is about 26127.5530618541. The cubic root of 682649029 is about 880.5063498623.

It can be divided in two parts, 6826 and 49029, that added together give a palindrome (55855).

The spelling of 682649029 in words is "six hundred eighty-two million, six hundred forty-nine thousand, twenty-nine".