12384494133749 has 2 divisors, whose sum is σ = 12384494133750. Its totient is φ = 12384494133748.

The previous prime is 12384494133743. The next prime is 12384494133757. The reversal of 12384494133749 is 94733149448321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7531769781649 + 4852724352100 = 2744407^2 + 2202890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12384494133749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12384494133691 and 12384494133700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12384494133743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6192247066874 + 6192247066875.

It is an arithmetic number, because the mean of its divisors is an integer number (6192247066875).

Almost surely, 2^{12384494133749} is an apocalyptic number.

It is an amenable number.

12384494133749 is a deficient number, since it is larger than the sum of its proper divisors (1).

12384494133749 is an equidigital number, since it uses as much as digits as its factorization.

12384494133749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62705664, while the sum is 62.

The spelling of 12384494133749 in words is "twelve trillion, three hundred eighty-four billion, four hundred ninety-four million, one hundred thirty-three thousand, seven hundred forty-nine".