84442297241 has 2 divisors, whose sum is σ = 84442297242. Its totient is φ = 84442297240.

The previous prime is 84442297193. The next prime is 84442297279. The reversal of 84442297241 is 14279224448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76178760025 + 8263537216 = 276005^2 + 90904^2 .

It is a cyclic number.

It is not a de Polignac number, because 84442297241 - 2¹⁰ = 84442296217 is a prime.

It is not a weakly prime, because it can be changed into another prime (84442297141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42221148620 + 42221148621.

It is an arithmetic number, because the mean of its divisors is an integer number (42221148621).

Almost surely, 2^84442297241 is an apocalyptic number.

It is an amenable number.

84442297241 is a deficient number, since it is larger than the sum of its proper divisors (1).

84442297241 is an equidigital number, since it uses as much as digits as its factorization.

84442297241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1032192, while the sum is 47.

The spelling of 84442297241 in words is "eighty-four billion, four hundred forty-two million, two hundred ninety-seven thousand, two hundred forty-one".