498537813 has 4 divisors (see below), whose sum is σ = 664717088. Its totient is φ = 332358540.

The previous prime is 498537797. The next prime is 498537839. The reversal of 498537813 is 318735894.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 498537813 - 2⁴ = 498537797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498537113) 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 3 ways as a sum of consecutive naturals, for example, 83089633 + ... + 83089638.

It is an arithmetic number, because the mean of its divisors is an integer number (166179272).

Almost surely, 2^498537813 is an apocalyptic number.

It is an amenable number.

498537813 is a deficient number, since it is larger than the sum of its proper divisors (166179275).

498537813 is a wasteful number, since it uses less digits than its factorization.

498537813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166179274.

The product of its digits is 725760, while the sum is 48.

The square root of 498537813 is about 22327.9603412403. The cubic root of 498537813 is about 792.9260781738.

The spelling of 498537813 in words is "four hundred ninety-eight million, five hundred thirty-seven thousand, eight hundred thirteen".