494485049 has 4 divisors (see below), whose sum is σ = 495049764. Its totient is φ = 493920336.

The previous prime is 494485039. The next prime is 494485067. The reversal of 494485049 is 940584494.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 308353600 + 186131449 = 17560^2 + 13643^2 .

It is a cyclic number.

It is not a de Polignac number, because 494485049 - 2²⁰ = 493436473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 494484994 and 494485012.

It is not an unprimeable number, because it can be changed into a prime (494485039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281042 + ... + 282795.

It is an arithmetic number, because the mean of its divisors is an integer number (123762441).

Almost surely, 2^494485049 is an apocalyptic number.

It is an amenable number.

494485049 is a deficient number, since it is larger than the sum of its proper divisors (564715).

494485049 is an equidigital number, since it uses as much as digits as its factorization.

494485049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564714.

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 494485049 is about 22237.0197868329. The cubic root of 494485049 is about 790.7715844569.

The spelling of 494485049 in words is "four hundred ninety-four million, four hundred eighty-five thousand, forty-nine".