494912019 has 32 divisors (see below), whose sum is σ = 801768960. Its totient is φ = 265248000.

The previous prime is 494912017. The next prime is 494912053. The reversal of 494912019 is 910219494.

It is not a de Polignac number, because 494912019 - 2¹ = 494912017 is a prime.

It is a super-2 number, since 2×494912019² = 489875813101312722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (494912017) 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 31 ways as a sum of consecutive naturals, for example, 34159 + ... + 46439.

It is an arithmetic number, because the mean of its divisors is an integer number (25055280).

Almost surely, 2^494912019 is an apocalyptic number.

494912019 is a deficient number, since it is larger than the sum of its proper divisors (306856941).

494912019 is a wasteful number, since it uses less digits than its factorization.

494912019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12411.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 494912019 is about 22246.6181474848. The cubic root of 494912019 is about 790.9991198913. Note that the first 3 decimals are identical.

The spelling of 494912019 in words is "four hundred ninety-four million, nine hundred twelve thousand, nineteen".