42841850281 has 2 divisors, whose sum is σ = 42841850282. Its totient is φ = 42841850280.

The previous prime is 42841850209. The next prime is 42841850309. The reversal of 42841850281 is 18205814824.

42841850281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33230008681 + 9611841600 = 182291^2 + 98040^2 .

It is a cyclic number.

It is not a de Polignac number, because 42841850281 - 2¹¹ = 42841848233 is a prime.

It is a super-2 number, since 2×42841850281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42841850201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21420925140 + 21420925141.

It is an arithmetic number, because the mean of its divisors is an integer number (21420925141).

Almost surely, 2^42841850281 is an apocalyptic number.

It is an amenable number.

42841850281 is a deficient number, since it is larger than the sum of its proper divisors (1).

42841850281 is an equidigital number, since it uses as much as digits as its factorization.

42841850281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163840, while the sum is 43.

The spelling of 42841850281 in words is "forty-two billion, eight hundred forty-one million, eight hundred fifty thousand, two hundred eighty-one".