499476813 has 16 divisors (see below), whose sum is σ = 769248576. Its totient is φ = 284906240.

The previous prime is 499476781. The next prime is 499476821. The reversal of 499476813 is 318674994.

It is a cyclic number.

It is not a de Polignac number, because 499476813 - 2⁵ = 499476781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499476853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444606 + ... + 445727.

It is an arithmetic number, because the mean of its divisors is an integer number (48078036).

Almost surely, 2^499476813 is an apocalyptic number.

It is an amenable number.

499476813 is a deficient number, since it is larger than the sum of its proper divisors (269771763).

499476813 is a wasteful number, since it uses less digits than its factorization.

499476813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890364.

The product of its digits is 1306368, while the sum is 51.

The square root of 499476813 is about 22348.9778960918. The cubic root of 499476813 is about 793.4235935053.

The spelling of 499476813 in words is "four hundred ninety-nine million, four hundred seventy-six thousand, eight hundred thirteen".