894854810089 has 2 divisors, whose sum is σ = 894854810090. Its totient is φ = 894854810088.

The previous prime is 894854809957. The next prime is 894854810111. The reversal of 894854810089 is 980018458498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 843473254464 + 51381555625 = 918408^2 + 226675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-894854810089 is a prime.

It is a super-2 number, since 2×894854810089² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 894854810089.

It is not a weakly prime, because it can be changed into another prime (894854810189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447427405044 + 447427405045.

It is an arithmetic number, because the mean of its divisors is an integer number (447427405045).

Almost surely, 2^894854810089 is an apocalyptic number.

It is an amenable number.

894854810089 is a deficient number, since it is larger than the sum of its proper divisors (1).

894854810089 is an equidigital number, since it uses as much as digits as its factorization.

894854810089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26542080, while the sum is 64.

The spelling of 894854810089 in words is "eight hundred ninety-four billion, eight hundred fifty-four million, eight hundred ten thousand, eighty-nine".