12830856367829 has 2 divisors, whose sum is σ = 12830856367830. Its totient is φ = 12830856367828.

The previous prime is 12830856367801. The next prime is 12830856367831. The reversal of 12830856367829 is 92876365803821.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12649296862225 + 181559505604 = 3556585^2 + 426098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12830856367829 is a prime.

Together with 12830856367831, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12830856337829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6415428183914 + 6415428183915.

It is an arithmetic number, because the mean of its divisors is an integer number (6415428183915).

Almost surely, 2^{12830856367829} is an apocalyptic number.

It is an amenable number.

12830856367829 is a deficient number, since it is larger than the sum of its proper divisors (1).

12830856367829 is an equidigital number, since it uses as much as digits as its factorization.

12830856367829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209018880, while the sum is 68.

The spelling of 12830856367829 in words is "twelve trillion, eight hundred thirty billion, eight hundred fifty-six million, three hundred sixty-seven thousand, eight hundred twenty-nine".