494255849 has 2 divisors, whose sum is σ = 494255850. Its totient is φ = 494255848.

The previous prime is 494255843. The next prime is 494255863. The reversal of 494255849 is 948552494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294740224 + 199515625 = 17168^2 + 14125^2 .

It is a cyclic number.

It is not a de Polignac number, because 494255849 - 2⁴ = 494255833 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 494255797 and 494255806.

It is not a weakly prime, because it can be changed into another prime (494255843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247127924 + 247127925.

It is an arithmetic number, because the mean of its divisors is an integer number (247127925).

Almost surely, 2^494255849 is an apocalyptic number.

It is an amenable number.

494255849 is a deficient number, since it is larger than the sum of its proper divisors (1).

494255849 is an equidigital number, since it uses as much as digits as its factorization.

494255849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2073600, while the sum is 50.

The square root of 494255849 is about 22231.8656212204. The cubic root of 494255849 is about 790.6493880712.

The spelling of 494255849 in words is "four hundred ninety-four million, two hundred fifty-five thousand, eight hundred forty-nine".