499116973 has 6 divisors (see below), whose sum is σ = 502577934. Its totient is φ = 495659736.

The previous prime is 499116911. The next prime is 499116979. The reversal of 499116973 is 379611994.

It can be written as a sum of positive squares in only one way, i.e., 384669769 + 114447204 = 19613^2 + 10698^2 .

It is not a de Polignac number, because 499116973 - 2¹³ = 499108781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499116979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 279040 + ... + 280822.

It is an arithmetic number, because the mean of its divisors is an integer number (83762989).

Almost surely, 2^499116973 is an apocalyptic number.

It is an amenable number.

499116973 is a deficient number, since it is larger than the sum of its proper divisors (3460961).

499116973 is an frugal number, since it uses more digits than its factorization.

499116973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723 (or 1940 counting only the distinct ones).

The product of its digits is 367416, while the sum is 49.

The square root of 499116973 is about 22340.9259655906. The cubic root of 499116973 is about 793.2330113277.

The spelling of 499116973 in words is "four hundred ninety-nine million, one hundred sixteen thousand, nine hundred seventy-three".