498805819 has 4 divisors (see below), whose sum is σ = 498926880. Its totient is φ = 498684760.

The previous prime is 498805793. The next prime is 498805849. The reversal of 498805819 is 918508894.

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

It is a cyclic number.

It is not a de Polignac number, because 498805819 - 2¹³ = 498797627 is a prime.

It is a super-2 number, since 2×498805819² = 497614490136521522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498805849) 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, 54124 + ... + 62665.

It is an arithmetic number, because the mean of its divisors is an integer number (124731720).

Almost surely, 2^498805819 is an apocalyptic number.

498805819 is a deficient number, since it is larger than the sum of its proper divisors (121061).

498805819 is a wasteful number, since it uses less digits than its factorization.

498805819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121060.

The product of its (nonzero) digits is 829440, while the sum is 52.

The square root of 498805819 is about 22333.9611130672. The cubic root of 498805819 is about 793.0681408698.

The spelling of 498805819 in words is "four hundred ninety-eight million, eight hundred five thousand, eight hundred nineteen".