682941982391 has 2 divisors, whose sum is σ = 682941982392. Its totient is φ = 682941982390.

The previous prime is 682941982381. The next prime is 682941982421. The reversal of 682941982391 is 193289149286.

682941982391 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 682941982391 - 2³⁴ = 665762113207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682941982381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341470991195 + 341470991196.

It is an arithmetic number, because the mean of its divisors is an integer number (341470991196).

Almost surely, 2^682941982391 is an apocalyptic number.

682941982391 is a deficient number, since it is larger than the sum of its proper divisors (1).

682941982391 is an equidigital number, since it uses as much as digits as its factorization.

682941982391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13436928, while the sum is 62.

The spelling of 682941982391 in words is "six hundred eighty-two billion, nine hundred forty-one million, nine hundred eighty-two thousand, three hundred ninety-one".