497861109 has 12 divisors (see below), whose sum is σ = 726115936. Its totient is φ = 328684392.

The previous prime is 497861107. The next prime is 497861191. The reversal of 497861109 is 901168794.

It is a happy number.

It is not a de Polignac number, because 497861109 - 2¹ = 497861107 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497861101) 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 11 ways as a sum of consecutive naturals, for example, 267607 + ... + 269460.

Almost surely, 2^497861109 is an apocalyptic number.

It is an amenable number.

497861109 is a deficient number, since it is larger than the sum of its proper divisors (228254827).

497861109 is a wasteful number, since it uses less digits than its factorization.

497861109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537176 (or 537173 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 497861109 is about 22312.8014601484. The cubic root of 497861109 is about 792.5671490569.

The spelling of 497861109 in words is "four hundred ninety-seven million, eight hundred sixty-one thousand, one hundred nine".