498279813 has 4 divisors (see below), whose sum is σ = 664373088. Its totient is φ = 332186540.

The previous prime is 498279739. The next prime is 498279857. The reversal of 498279813 is 318972894.

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 a cyclic number.

It is not a de Polignac number, because 498279813 - 2⁸ = 498279557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498279863) 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, 83046633 + ... + 83046638.

It is an arithmetic number, because the mean of its divisors is an integer number (166093272).

Almost surely, 2^498279813 is an apocalyptic number.

It is an amenable number.

498279813 is a deficient number, since it is larger than the sum of its proper divisors (166093275).

498279813 is a wasteful number, since it uses less digits than its factorization.

498279813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166093274.

The product of its digits is 870912, while the sum is 51.

The square root of 498279813 is about 22322.1820841960. The cubic root of 498279813 is about 792.7892712803.

The spelling of 498279813 in words is "four hundred ninety-eight million, two hundred seventy-nine thousand, eight hundred thirteen".