243034401206449 has 2 divisors, whose sum is σ = 243034401206450. Its totient is φ = 243034401206448.

The previous prime is 243034401206257. The next prime is 243034401206479. The reversal of 243034401206449 is 944602104430342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239258250600625 + 3776150605824 = 15467975^2 + 1943232^2 .

It is a cyclic number.

It is not a de Polignac number, because 243034401206449 - 2¹⁷ = 243034401075377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243034401206399 and 243034401206408.

It is not a weakly prime, because it can be changed into another prime (243034401206479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121517200603224 + 121517200603225.

It is an arithmetic number, because the mean of its divisors is an integer number (121517200603225).

Almost surely, 2^{243034401206449} is an apocalyptic number.

It is an amenable number.

243034401206449 is a deficient number, since it is larger than the sum of its proper divisors (1).

243034401206449 is an equidigital number, since it uses as much as digits as its factorization.

243034401206449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 243034401206449 in words is "two hundred forty-three trillion, thirty-four billion, four hundred one million, two hundred six thousand, four hundred forty-nine".