499929689 has 8 divisors (see below), whose sum is σ = 573458688. Its totient is φ = 426928320.

The previous prime is 499929649. The next prime is 499929721. The reversal of 499929689 is 986929994.

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

It is not a de Polignac number, because 499929689 - 2⁸ = 499929433 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 (499929649) 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, 129872 + ... + 133665.

It is an arithmetic number, because the mean of its divisors is an integer number (71682336).

Almost surely, 2^499929689 is an apocalyptic number.

It is an amenable number.

499929689 is a deficient number, since it is larger than the sum of its proper divisors (73528999).

499929689 is a wasteful number, since it uses less digits than its factorization.

499929689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263815.

The product of its digits is 22674816, while the sum is 65.

The square root of 499929689 is about 22359.1075179668. The cubic root of 499929689 is about 793.6633203216.

The spelling of 499929689 in words is "four hundred ninety-nine million, nine hundred twenty-nine thousand, six hundred eighty-nine".