94861970191 has 2 divisors, whose sum is σ = 94861970192. Its totient is φ = 94861970190.

The previous prime is 94861970173. The next prime is 94861970227. The reversal of 94861970191 is 19107916849.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 94861970191 - 2⁹ = 94861969679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94861910191) 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, 47430985095 + 47430985096.

It is an arithmetic number, because the mean of its divisors is an integer number (47430985096).

Almost surely, 2^94861970191 is an apocalyptic number.

94861970191 is a deficient number, since it is larger than the sum of its proper divisors (1).

94861970191 is an equidigital number, since it uses as much as digits as its factorization.

94861970191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 55.

The spelling of 94861970191 in words is "ninety-four billion, eight hundred sixty-one million, nine hundred seventy thousand, one hundred ninety-one".