494636269 has 4 divisors (see below), whose sum is σ = 494793244. Its totient is φ = 494479296.

The previous prime is 494636243. The next prime is 494636281. The reversal of 494636269 is 962636494.

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 440790025 + 53846244 = 20995^2 + 7338^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494636269 is a prime.

It is a super-2 number, since 2×494636269² = 489330077220480722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494666269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73662 + ... + 80095.

It is an arithmetic number, because the mean of its divisors is an integer number (123698311).

Almost surely, 2^494636269 is an apocalyptic number.

It is an amenable number.

494636269 is a deficient number, since it is larger than the sum of its proper divisors (156975).

494636269 is a wasteful number, since it uses less digits than its factorization.

494636269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156974.

The product of its digits is 1679616, while the sum is 49.

The square root of 494636269 is about 22240.4197127662. The cubic root of 494636269 is about 790.8521856747.

The spelling of 494636269 in words is "four hundred ninety-four million, six hundred thirty-six thousand, two hundred sixty-nine".