42850447460549 has 2 divisors, whose sum is σ = 42850447460550. Its totient is φ = 42850447460548.

The previous prime is 42850447460497. The next prime is 42850447460603. The reversal of 42850447460549 is 94506474405824.

42850447460549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28109401348900 + 14741046111649 = 5301830^2 + 3839407^2 .

It is a cyclic number.

It is not a de Polignac number, because 42850447460549 - 2³² = 42846152493253 is a prime.

It is a super-2 number, since 2×42850447460549² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42850447460491 and 42850447460500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42850447400549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21425223730274 + 21425223730275.

It is an arithmetic number, because the mean of its divisors is an integer number (21425223730275).

Almost surely, 2^{42850447460549} is an apocalyptic number.

It is an amenable number.

42850447460549 is a deficient number, since it is larger than the sum of its proper divisors (1).

42850447460549 is an equidigital number, since it uses as much as digits as its factorization.

42850447460549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 154828800, while the sum is 62.

The spelling of 42850447460549 in words is "forty-two trillion, eight hundred fifty billion, four hundred forty-seven million, four hundred sixty thousand, five hundred forty-nine".