499509485 has 8 divisors (see below), whose sum is σ = 620080920. Its totient is φ = 385827904.

The previous prime is 499509481. The next prime is 499509511. The reversal of 499509485 is 584905994.

It can be written as a sum of positive squares in 4 ways, for example, as 31684 + 499477801 = 178^2 + 22349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 499509485 - 2² = 499509481 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499509481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1722302 + ... + 1722591.

It is an arithmetic number, because the mean of its divisors is an integer number (77510115).

Almost surely, 2^499509485 is an apocalyptic number.

It is an amenable number.

499509485 is a deficient number, since it is larger than the sum of its proper divisors (120571435).

499509485 is a wasteful number, since it uses less digits than its factorization.

499509485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444927.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The square root of 499509485 is about 22349.7088347925. The cubic root of 499509485 is about 793.4408930540.

It can be divided in two parts, 499509 and 485, that added together give a palindrome (499994).

The spelling of 499509485 in words is "four hundred ninety-nine million, five hundred nine thousand, four hundred eighty-five".