494873819 has 16 divisors (see below), whose sum is σ = 564689664. Its totient is φ = 429290400.

The previous prime is 494873767. The next prime is 494873831. The reversal of 494873819 is 918378494.

It is not a de Polignac number, because 494873819 - 2²⁴ = 478096603 is a prime.

It is a super-2 number, since 2×494873819² = 489800193463289522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (494873839) 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, 114512 + ... + 118754.

It is an arithmetic number, because the mean of its divisors is an integer number (35293104).

Almost surely, 2^494873819 is an apocalyptic number.

494873819 is a deficient number, since it is larger than the sum of its proper divisors (69815845).

494873819 is a wasteful number, since it uses less digits than its factorization.

494873819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738.

The product of its digits is 1741824, while the sum is 53.

The square root of 494873819 is about 22245.7595734558. The cubic root of 494873819 is about 790.9787681637.

The spelling of 494873819 in words is "four hundred ninety-four million, eight hundred seventy-three thousand, eight hundred nineteen".