494395117 has 2 divisors, whose sum is σ = 494395118. Its totient is φ = 494395116.

The previous prime is 494395093. The next prime is 494395133. The reversal of 494395117 is 711593494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247936516 + 246458601 = 15746^2 + 15699^2 .

It is a cyclic number.

It is not a de Polignac number, because 494395117 - 2²³ = 486006509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494395177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247197558 + 247197559.

It is an arithmetic number, because the mean of its divisors is an integer number (247197559).

Almost surely, 2^494395117 is an apocalyptic number.

It is an amenable number.

494395117 is a deficient number, since it is larger than the sum of its proper divisors (1).

494395117 is an equidigital number, since it uses as much as digits as its factorization.

494395117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 494395117 is about 22234.9975713963. The cubic root of 494395117 is about 790.7236423389.

The spelling of 494395117 in words is "four hundred ninety-four million, three hundred ninety-five thousand, one hundred seventeen".