494865219 has 4 divisors (see below), whose sum is σ = 659820296. Its totient is φ = 329910144.

The previous prime is 494865181. The next prime is 494865233. The reversal of 494865219 is 912568494.

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

It is not a de Polignac number, because 494865219 - 2¹⁵ = 494832451 is a prime.

It is a super-2 number, since 2×494865219² = 489783169951835922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494885219) 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, 82477534 + ... + 82477539.

It is an arithmetic number, because the mean of its divisors is an integer number (164955074).

Almost surely, 2^494865219 is an apocalyptic number.

494865219 is a deficient number, since it is larger than the sum of its proper divisors (164955077).

494865219 is a wasteful number, since it uses less digits than its factorization.

494865219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164955076.

The product of its digits is 622080, while the sum is 48.

The square root of 494865219 is about 22245.5662773506. The cubic root of 494865219 is about 790.9741862167.

The spelling of 494865219 in words is "four hundred ninety-four million, eight hundred sixty-five thousand, two hundred nineteen".