84442297193 has 2 divisors, whose sum is σ = 84442297194. Its totient is φ = 84442297192.

The previous prime is 84442297171. The next prime is 84442297241. The reversal of 84442297193 is 39179224448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84032153689 + 410143504 = 289883^2 + 20252^2 .

It is a cyclic number.

It is not a de Polignac number, because 84442297193 - 2²⁴ = 84425519977 is a prime.

It is not a weakly prime, because it can be changed into another prime (84442207193) 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, 42221148596 + 42221148597.

It is an arithmetic number, because the mean of its divisors is an integer number (42221148597).

Almost surely, 2^84442297193 is an apocalyptic number.

It is an amenable number.

84442297193 is a deficient number, since it is larger than the sum of its proper divisors (1).

84442297193 is an equidigital number, since it uses as much as digits as its factorization.

84442297193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 53.

The spelling of 84442297193 in words is "eighty-four billion, four hundred forty-two million, two hundred ninety-seven thousand, one hundred ninety-three".