12840637483 has 2 divisors, whose sum is σ = 12840637484. Its totient is φ = 12840637482.

The previous prime is 12840637351. The next prime is 12840637499. The reversal of 12840637483 is 38473604821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12840637483 - 2¹⁷ = 12840506411 is a prime.

It is not a weakly prime, because it can be changed into another prime (12840638483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6420318741 + 6420318742.

It is an arithmetic number, because the mean of its divisors is an integer number (6420318742).

Almost surely, 2^12840637483 is an apocalyptic number.

12840637483 is a deficient number, since it is larger than the sum of its proper divisors (1).

12840637483 is an equidigital number, since it uses as much as digits as its factorization.

12840637483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 12840637483 in words is "twelve billion, eight hundred forty million, six hundred thirty-seven thousand, four hundred eighty-three".