12234441491 has 2 divisors, whose sum is σ = 12234441492. Its totient is φ = 12234441490.

The previous prime is 12234441481. The next prime is 12234441539. The reversal of 12234441491 is 19414443221.

12234441491 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 a de Polignac number, because none of the positive numbers 2^k-12234441491 is a prime.

It is not a weakly prime, because it can be changed into another prime (12234441421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6117220745 + 6117220746.

It is an arithmetic number, because the mean of its divisors is an integer number (6117220746).

Almost surely, 2^12234441491 is an apocalyptic number.

12234441491 is a deficient number, since it is larger than the sum of its proper divisors (1).

12234441491 is an equidigital number, since it uses as much as digits as its factorization.

12234441491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 35.

The spelling of 12234441491 in words is "twelve billion, two hundred thirty-four million, four hundred forty-one thousand, four hundred ninety-one".