13423021115249 has 2 divisors, whose sum is σ = 13423021115250. Its totient is φ = 13423021115248.

The previous prime is 13423021115201. The next prime is 13423021115297. The reversal of 13423021115249 is 94251112032431.

It is a balanced prime because it is at equal distance from previous prime (13423021115201) and next prime (13423021115297).

It can be written as a sum of positive squares in only one way, i.e., 12327507213025 + 1095513902224 = 3511055^2 + 1046668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13423021115249 is a prime.

It is not a weakly prime, because it can be changed into another prime (13423021115299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6711510557624 + 6711510557625.

It is an arithmetic number, because the mean of its divisors is an integer number (6711510557625).

Almost surely, 2^{13423021115249} is an apocalyptic number.

It is an amenable number.

13423021115249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13423021115249 is an equidigital number, since it uses as much as digits as its factorization.

13423021115249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 13423021115249 in words is "thirteen trillion, four hundred twenty-three billion, twenty-one million, one hundred fifteen thousand, two hundred forty-nine".