494107009 has 12 divisors (see below), whose sum is σ = 543661972. Its totient is φ = 448731360.

The previous prime is 494106971. The next prime is 494107037. The reversal of 494107009 is 900701494.

It can be written as a sum of positive squares in 2 ways, for example, as 152596609 + 341510400 = 12353^2 + 18480^2 .

It is not a de Polignac number, because 494107009 - 2¹³ = 494098817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494107069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191959 + ... + 194515.

Almost surely, 2^494107009 is an apocalyptic number.

It is an amenable number.

494107009 is a deficient number, since it is larger than the sum of its proper divisors (49554963).

494107009 is a wasteful number, since it uses less digits than its factorization.

494107009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176 (or 4165 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 494107009 is about 22228.5179218049. The cubic root of 494107009 is about 790.5700148276.

The spelling of 494107009 in words is "four hundred ninety-four million, one hundred seven thousand, nine".