494395177 has 2 divisors, whose sum is σ = 494395178. Its totient is φ = 494395176.

The previous prime is 494395151. The next prime is 494395217. The reversal of 494395177 is 771593494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 481319721 + 13075456 = 21939^2 + 3616^2 .

It is a cyclic number.

It is not a de Polignac number, because 494395177 - 2⁷ = 494395049 is a prime.

It is a super-2 number, since 2×494395177² = 488853182081722658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 494395177.

It is not a weakly prime, because it can be changed into another prime (494395117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247197588 + 247197589.

It is an arithmetic number, because the mean of its divisors is an integer number (247197589).

Almost surely, 2^494395177 is an apocalyptic number.

It is an amenable number.

494395177 is a deficient number, since it is larger than the sum of its proper divisors (1).

494395177 is an equidigital number, since it uses as much as digits as its factorization.

494395177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 49.

The square root of 494395177 is about 22234.9989206206. The cubic root of 494395177 is about 790.7236743264.

The spelling of 494395177 in words is "four hundred ninety-four million, three hundred ninety-five thousand, one hundred seventy-seven".