494751049 has 27 divisors (see below), whose sum is σ = 564410613. Its totient is φ = 433471584.

The previous prime is 494751031. The next prime is 494751067. The reversal of 494751049 is 940157494.

The square root of 494751049 is 22243.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (494751031) and next prime (494751067).

It can be written as a sum of positive squares in 4 ways, for example, as 63441225 + 431309824 = 7965^2 + 20768^2 .

It is not a de Polignac number, because 494751049 - 2¹⁵ = 494718281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 494750996 and 494751014.

It is not an unprimeable number, because it can be changed into a prime (494751029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8385582 + ... + 8385640.

Almost surely, 2^494751049 is an apocalyptic number.

494751049 is the 22243-rd square number.

494751049 is the 11122-nd centered octagonal number.

It is an amenable number.

494751049 is a deficient number, since it is larger than the sum of its proper divisors (69659564).

494751049 is an equidigital number, since it uses as much as digits as its factorization.

494751049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The cubic root of 494751049 is about 790.9133531757.

The spelling of 494751049 in words is "four hundred ninety-four million, seven hundred fifty-one thousand, forty-nine".