494144867 has 4 divisors (see below), whose sum is σ = 510085056. Its totient is φ = 478204680.

The previous prime is 494144843. The next prime is 494144881. The reversal of 494144867 is 768441494.

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 494144867 - 2⁶ = 494144803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494144467) 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, 7970048 + ... + 7970109.

It is an arithmetic number, because the mean of its divisors is an integer number (127521264).

Almost surely, 2^494144867 is an apocalyptic number.

494144867 is a deficient number, since it is larger than the sum of its proper divisors (15940189).

494144867 is a wasteful number, since it uses less digits than its factorization.

494144867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15940188.

The product of its digits is 774144, while the sum is 47.

The square root of 494144867 is about 22229.3694692405. The cubic root of 494144867 is about 790.5902052147.

The spelling of 494144867 in words is "four hundred ninety-four million, one hundred forty-four thousand, eight hundred sixty-seven".