94842774620189 has 2 divisors, whose sum is σ = 94842774620190. Its totient is φ = 94842774620188.

The previous prime is 94842774620131. The next prime is 94842774620249. The reversal of 94842774620189 is 98102647724849.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77372606668900 + 17470167951289 = 8796170^2 + 4179733^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94842774620189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94842774620989) 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, 47421387310094 + 47421387310095.

It is an arithmetic number, because the mean of its divisors is an integer number (47421387310095).

Almost surely, 2^{94842774620189} is an apocalyptic number.

It is an amenable number.

94842774620189 is a deficient number, since it is larger than the sum of its proper divisors (1).

94842774620189 is an equidigital number, since it uses as much as digits as its factorization.

94842774620189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 390168576, while the sum is 71.

The spelling of 94842774620189 in words is "ninety-four trillion, eight hundred forty-two billion, seven hundred seventy-four million, six hundred twenty thousand, one hundred eighty-nine".