494881219 has 4 divisors (see below), whose sum is σ = 565578544. Its totient is φ = 424183896.

The previous prime is 494881181. The next prime is 494881273. The reversal of 494881219 is 912188494.

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 494881219 - 2⁷ = 494881091 is a prime.

It is a super-2 number, since 2×494881219² = 489814841837851922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494884219) 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, 35348652 + ... + 35348665.

It is an arithmetic number, because the mean of its divisors is an integer number (141394636).

Almost surely, 2^494881219 is an apocalyptic number.

494881219 is a deficient number, since it is larger than the sum of its proper divisors (70697325).

494881219 is an equidigital number, since it uses as much as digits as its factorization.

494881219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70697324.

The product of its digits is 165888, while the sum is 46.

The square root of 494881219 is about 22245.9258966670. The cubic root of 494881219 is about 790.9827107267.

The spelling of 494881219 in words is "four hundred ninety-four million, eight hundred eighty-one thousand, two hundred nineteen".