499085773 has 4 divisors (see below), whose sum is σ = 499767388. Its totient is φ = 498404160.

The previous prime is 499085761. The next prime is 499085777. The reversal of 499085773 is 377580994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 494751049 + 4334724 = 22243^2 + 2082^2 .

It is a cyclic number.

It is not a de Polignac number, because 499085773 - 2¹³ = 499077581 is a prime.

It is a super-2 number, since 2×499085773² = 498173217622015058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 499085773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499085777) 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, 339708 + ... + 341173.

It is an arithmetic number, because the mean of its divisors is an integer number (124941847).

Almost surely, 2^499085773 is an apocalyptic number.

It is an amenable number.

499085773 is a deficient number, since it is larger than the sum of its proper divisors (681615).

499085773 is an equidigital number, since it uses as much as digits as its factorization.

499085773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681614.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 499085773 is about 22340.2276846052. The cubic root of 499085773 is about 793.2164825466.

The spelling of 499085773 in words is "four hundred ninety-nine million, eighty-five thousand, seven hundred seventy-three".