499475805 has 16 divisors (see below), whose sum is σ = 807076224. Its totient is φ = 263748800.

The previous prime is 499475803. The next prime is 499475849. The reversal of 499475805 is 508574994.

It is not a de Polignac number, because 499475805 - 2¹ = 499475803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499475803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163329 + ... + 166358.

It is an arithmetic number, because the mean of its divisors is an integer number (50442264).

Almost surely, 2^499475805 is an apocalyptic number.

It is an amenable number.

499475805 is a deficient number, since it is larger than the sum of its proper divisors (307600419).

499475805 is a wasteful number, since it uses less digits than its factorization.

499475805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329796.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 499475805 is about 22348.9553447135. The cubic root of 499475805 is about 793.4230597657.

The spelling of 499475805 in words is "four hundred ninety-nine million, four hundred seventy-five thousand, eight hundred five".