682637429 has 2 divisors, whose sum is σ = 682637430. Its totient is φ = 682637428.

The previous prime is 682637399. The next prime is 682637441. The reversal of 682637429 is 924736286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 620259025 + 62378404 = 24905^2 + 7898^2 .

It is a cyclic number.

It is not a de Polignac number, because 682637429 - 2⁸ = 682637173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682637029) 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, 341318714 + 341318715.

It is an arithmetic number, because the mean of its divisors is an integer number (341318715).

Almost surely, 2^682637429 is an apocalyptic number.

It is an amenable number.

682637429 is a deficient number, since it is larger than the sum of its proper divisors (1).

682637429 is an equidigital number, since it uses as much as digits as its factorization.

682637429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The square root of 682637429 is about 26127.3310730354. The cubic root of 682637429 is about 880.5013624622.

The spelling of 682637429 in words is "six hundred eighty-two million, six hundred thirty-seven thousand, four hundred twenty-nine".