494101189 has 2 divisors, whose sum is σ = 494101190. Its totient is φ = 494101188.

The previous prime is 494101171. The next prime is 494101199. The reversal of 494101189 is 981101494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261080964 + 233020225 = 16158^2 + 15265^2 .

It is a cyclic number.

It is not a de Polignac number, because 494101189 - 2¹¹ = 494099141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494101129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247050594 + 247050595.

It is an arithmetic number, because the mean of its divisors is an integer number (247050595).

Almost surely, 2^494101189 is an apocalyptic number.

It is an amenable number.

494101189 is a deficient number, since it is larger than the sum of its proper divisors (1).

494101189 is an equidigital number, since it uses as much as digits as its factorization.

494101189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 494101189 is about 22228.3870085078. The cubic root of 494101189 is about 790.5669108201.

The spelling of 494101189 in words is "four hundred ninety-four million, one hundred one thousand, one hundred eighty-nine".