442205600654249 has 2 divisors, whose sum is σ = 442205600654250. Its totient is φ = 442205600654248.

The previous prime is 442205600654123. The next prime is 442205600654273. The reversal of 442205600654249 is 942456006502244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 378506558010025 + 63699042644224 = 19455245^2 + 7981168^2 .

It is a cyclic number.

It is not a de Polignac number, because 442205600654249 - 2⁴⁴ = 424613414609833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442205600654249.

It is not a weakly prime, because it can be changed into another prime (442205600654749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221102800327124 + 221102800327125.

It is an arithmetic number, because the mean of its divisors is an integer number (221102800327125).

Almost surely, 2^{442205600654249} is an apocalyptic number.

It is an amenable number.

442205600654249 is a deficient number, since it is larger than the sum of its proper divisors (1).

442205600654249 is an equidigital number, since it uses as much as digits as its factorization.

442205600654249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16588800, while the sum is 53.

The spelling of 442205600654249 in words is "four hundred forty-two trillion, two hundred five billion, six hundred million, six hundred fifty-four thousand, two hundred forty-nine".