682011497129 has 2 divisors, whose sum is σ = 682011497130. Its totient is φ = 682011497128.

The previous prime is 682011497117. The next prime is 682011497173. The reversal of 682011497129 is 921794110286.

It is a happy number.

682011497129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 593281981504 + 88729515625 = 770248^2 + 297875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-682011497129 is a prime.

It is a super-2 number, since 2×682011497129² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (682011427129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341005748564 + 341005748565.

It is an arithmetic number, because the mean of its divisors is an integer number (341005748565).

Almost surely, 2^682011497129 is an apocalyptic number.

It is an amenable number.

682011497129 is a deficient number, since it is larger than the sum of its proper divisors (1).

682011497129 is an equidigital number, since it uses as much as digits as its factorization.

682011497129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 682011497129 in words is "six hundred eighty-two billion, eleven million, four hundred ninety-seven thousand, one hundred twenty-nine".