10340043042449 has 2 divisors, whose sum is σ = 10340043042450. Its totient is φ = 10340043042448.

The previous prime is 10340043042409. The next prime is 10340043042451. The reversal of 10340043042449 is 94424034004301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10336835859025 + 3207183424 = 3215095^2 + 56632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10340043042449 is a prime.

Together with 10340043042451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10340043042409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5170021521224 + 5170021521225.

It is an arithmetic number, because the mean of its divisors is an integer number (5170021521225).

Almost surely, 2^{10340043042449} is an apocalyptic number.

It is an amenable number.

10340043042449 is a deficient number, since it is larger than the sum of its proper divisors (1).

10340043042449 is an equidigital number, since it uses as much as digits as its factorization.

10340043042449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 10340043042449 in words is "ten trillion, three hundred forty billion, forty-three million, forty-two thousand, four hundred forty-nine".