13434013449149 has 2 divisors, whose sum is σ = 13434013449150. Its totient is φ = 13434013449148.

The previous prime is 13434013449107. The next prime is 13434013449179. The reversal of 13434013449149 is 94194431043431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7657633821049 + 5776379628100 = 2767243^2 + 2403410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13434013449149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13434013449097 and 13434013449106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13434013449179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6717006724574 + 6717006724575.

It is an arithmetic number, because the mean of its divisors is an integer number (6717006724575).

Almost surely, 2^{13434013449149} is an apocalyptic number.

It is an amenable number.

13434013449149 is a deficient number, since it is larger than the sum of its proper divisors (1).

13434013449149 is an equidigital number, since it uses as much as digits as its factorization.

13434013449149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 13434013449149 in words is "thirteen trillion, four hundred thirty-four billion, thirteen million, four hundred forty-nine thousand, one hundred forty-nine".