13402200441449 has 2 divisors, whose sum is σ = 13402200441450. Its totient is φ = 13402200441448.

The previous prime is 13402200441401. The next prime is 13402200441451. The reversal of 13402200441449 is 94414400220431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11573842141225 + 1828358300224 = 3402035^2 + 1352168^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13402200441449 is a prime.

It is a Sophie Germain prime.

Together with 13402200441451, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13402200641449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6701100220724 + 6701100220725.

It is an arithmetic number, because the mean of its divisors is an integer number (6701100220725).

Almost surely, 2^{13402200441449} is an apocalyptic number.

It is an amenable number.

13402200441449 is a deficient number, since it is larger than the sum of its proper divisors (1).

13402200441449 is an equidigital number, since it uses as much as digits as its factorization.

13402200441449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 13402200441449 in words is "thirteen trillion, four hundred two billion, two hundred million, four hundred forty-one thousand, four hundred forty-nine".