842061193 has 2 divisors, whose sum is σ = 842061194. Its totient is φ = 842061192.

The previous prime is 842061173. The next prime is 842061203. The reversal of 842061193 is 391160248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 804459769 + 37601424 = 28363^2 + 6132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-842061193 is a prime.

It is not a weakly prime, because it can be changed into another prime (842061173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421030596 + 421030597.

It is an arithmetic number, because the mean of its divisors is an integer number (421030597).

Almost surely, 2^842061193 is an apocalyptic number.

It is an amenable number.

842061193 is a deficient number, since it is larger than the sum of its proper divisors (1).

842061193 is an equidigital number, since it uses as much as digits as its factorization.

842061193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 842061193 is about 29018.2906629595. The cubic root of 842061193 is about 944.3099178873.

The spelling of 842061193 in words is "eight hundred forty-two million, sixty-one thousand, one hundred ninety-three".