13423401524249 has 2 divisors, whose sum is σ = 13423401524250. Its totient is φ = 13423401524248.

The previous prime is 13423401524213. The next prime is 13423401524279. The reversal of 13423401524249 is 94242510432431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7428175819024 + 5995225705225 = 2725468^2 + 2448515^2 .

It is a cyclic number.

It is not a de Polignac number, because 13423401524249 - 2²⁸ = 13423133088793 is a prime.

It is not a weakly prime, because it can be changed into another prime (13423401524279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6711700762124 + 6711700762125.

It is an arithmetic number, because the mean of its divisors is an integer number (6711700762125).

Almost surely, 2^{13423401524249} is an apocalyptic number.

It is an amenable number.

13423401524249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13423401524249 is an equidigital number, since it uses as much as digits as its factorization.

13423401524249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 13423401524249 in words is "thirteen trillion, four hundred twenty-three billion, four hundred one million, five hundred twenty-four thousand, two hundred forty-nine".