499475811 has 4 divisors (see below), whose sum is σ = 665967752. Its totient is φ = 332983872.

The previous prime is 499475803. The next prime is 499475849. The reversal of 499475811 is 118574994.

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

It is not a de Polignac number, because 499475811 - 2³ = 499475803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499475881) 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, 83245966 + ... + 83245971.

It is an arithmetic number, because the mean of its divisors is an integer number (166491938).

Almost surely, 2^499475811 is an apocalyptic number.

499475811 is a deficient number, since it is larger than the sum of its proper divisors (166491941).

499475811 is a wasteful number, since it uses less digits than its factorization.

499475811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166491940.

The product of its digits is 362880, while the sum is 48.

The square root of 499475811 is about 22348.9554789480. The cubic root of 499475811 is about 793.4230629428.

The spelling of 499475811 in words is "four hundred ninety-nine million, four hundred seventy-five thousand, eight hundred eleven".