94163128849 has 2 divisors, whose sum is σ = 94163128850. Its totient is φ = 94163128848.

The previous prime is 94163128783. The next prime is 94163128931. The reversal of 94163128849 is 94882136149.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88503275025 + 5659853824 = 297495^2 + 75232^2 .

It is a cyclic number.

It is not a de Polignac number, because 94163128849 - 2¹³ = 94163120657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 94163128849.

It is not a weakly prime, because it can be changed into another prime (94163128049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47081564424 + 47081564425.

It is an arithmetic number, because the mean of its divisors is an integer number (47081564425).

Almost surely, 2^94163128849 is an apocalyptic number.

It is an amenable number.

94163128849 is a deficient number, since it is larger than the sum of its proper divisors (1).

94163128849 is an equidigital number, since it uses as much as digits as its factorization.

94163128849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 55.

The spelling of 94163128849 in words is "ninety-four billion, one hundred sixty-three million, one hundred twenty-eight thousand, eight hundred forty-nine".