12481945829 has 2 divisors, whose sum is σ = 12481945830. Its totient is φ = 12481945828.

The previous prime is 12481945813. The next prime is 12481945841. The reversal of 12481945829 is 92854918421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11519084929 + 962860900 = 107327^2 + 31030^2 .

It is a cyclic number.

It is not a de Polignac number, because 12481945829 - 2⁴ = 12481945813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12481915829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6240972914 + 6240972915.

It is an arithmetic number, because the mean of its divisors is an integer number (6240972915).

Almost surely, 2^12481945829 is an apocalyptic number.

It is an amenable number.

12481945829 is a deficient number, since it is larger than the sum of its proper divisors (1).

12481945829 is an equidigital number, since it uses as much as digits as its factorization.

12481945829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 53.

The spelling of 12481945829 in words is "twelve billion, four hundred eighty-one million, nine hundred forty-five thousand, eight hundred twenty-nine".