494520500191 has 2 divisors, whose sum is σ = 494520500192. Its totient is φ = 494520500190.

The previous prime is 494520500101. The next prime is 494520500219. The reversal of 494520500191 is 191005025494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 494520500191 - 2¹⁵ = 494520467423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494520500101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247260250095 + 247260250096.

It is an arithmetic number, because the mean of its divisors is an integer number (247260250096).

Almost surely, 2^494520500191 is an apocalyptic number.

494520500191 is a deficient number, since it is larger than the sum of its proper divisors (1).

494520500191 is an equidigital number, since it uses as much as digits as its factorization.

494520500191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 494520500191 in words is "four hundred ninety-four billion, five hundred twenty million, five hundred thousand, one hundred ninety-one".