12821759983 has 2 divisors, whose sum is σ = 12821759984. Its totient is φ = 12821759982.

The previous prime is 12821759981. The next prime is 12821760001. The reversal of 12821759983 is 38995712821.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12821759983 - 2¹ = 12821759981 is a prime.

Together with 12821759981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12821759981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6410879991 + 6410879992.

It is an arithmetic number, because the mean of its divisors is an integer number (6410879992).

Almost surely, 2^12821759983 is an apocalyptic number.

12821759983 is a deficient number, since it is larger than the sum of its proper divisors (1).

12821759983 is an equidigital number, since it uses as much as digits as its factorization.

12821759983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 55.

The spelling of 12821759983 in words is "twelve billion, eight hundred twenty-one million, seven hundred fifty-nine thousand, nine hundred eighty-three".