494124909 has 4 divisors (see below), whose sum is σ = 658833216. Its totient is φ = 329416604.

The previous prime is 494124871. The next prime is 494124919. The reversal of 494124909 is 909421494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 494124909 - 2¹¹ = 494122861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494124919) 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, 82354149 + ... + 82354154.

It is an arithmetic number, because the mean of its divisors is an integer number (164708304).

Almost surely, 2^494124909 is an apocalyptic number.

It is an amenable number.

494124909 is a deficient number, since it is larger than the sum of its proper divisors (164708307).

494124909 is a wasteful number, since it uses less digits than its factorization.

494124909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164708306.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 494124909 is about 22228.9205540890. The cubic root of 494124909 is about 790.5795613645.

The spelling of 494124909 in words is "four hundred ninety-four million, one hundred twenty-four thousand, nine hundred nine".