499931793 has 6 divisors (see below), whose sum is σ = 722123714. Its totient is φ = 333287856.

The previous prime is 499931791. The next prime is 499931797. The reversal of 499931793 is 397139994.

It can be written as a sum of positive squares in only one way, i.e., 467986689 + 31945104 = 21633^2 + 5652^2 .

It is not a de Polignac number, because 499931793 - 2¹ = 499931791 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (499931791) 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, 27773980 + ... + 27773997.

Almost surely, 2^499931793 is an apocalyptic number.

It is an amenable number.

499931793 is a deficient number, since it is larger than the sum of its proper divisors (222191921).

499931793 is a wasteful number, since it uses less digits than its factorization.

499931793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55547983 (or 55547980 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 54.

The square root of 499931793 is about 22359.1545680958. The cubic root of 499931793 is about 793.6644337217.

The spelling of 499931793 in words is "four hundred ninety-nine million, nine hundred thirty-one thousand, seven hundred ninety-three".