682645438487 has 2 divisors, whose sum is σ = 682645438488. Its totient is φ = 682645438486.

The previous prime is 682645438481. The next prime is 682645438513. The reversal of 682645438487 is 784834546286.

682645438487 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 is a cyclic number.

It is not a de Polignac number, because 682645438487 - 2¹² = 682645434391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682645438481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341322719243 + 341322719244.

It is an arithmetic number, because the mean of its divisors is an integer number (341322719244).

Almost surely, 2^682645438487 is an apocalyptic number.

682645438487 is a deficient number, since it is larger than the sum of its proper divisors (1).

682645438487 is an equidigital number, since it uses as much as digits as its factorization.

682645438487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 247726080, while the sum is 65.

The spelling of 682645438487 in words is "six hundred eighty-two billion, six hundred forty-five million, four hundred thirty-eight thousand, four hundred eighty-seven".