94180966889 has 2 divisors, whose sum is σ = 94180966890. Its totient is φ = 94180966888.

The previous prime is 94180966843. The next prime is 94180966933. The reversal of 94180966889 is 98866908149.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66942765289 + 27238201600 = 258733^2 + 165040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94180966889 is a prime.

It is not a weakly prime, because it can be changed into another prime (94180966819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47090483444 + 47090483445.

It is an arithmetic number, because the mean of its divisors is an integer number (47090483445).

Almost surely, 2^94180966889 is an apocalyptic number.

It is an amenable number.

94180966889 is a deficient number, since it is larger than the sum of its proper divisors (1).

94180966889 is an equidigital number, since it uses as much as digits as its factorization.

94180966889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53747712, while the sum is 68.

The spelling of 94180966889 in words is "ninety-four billion, one hundred eighty million, nine hundred sixty-six thousand, eight hundred eighty-nine".