494019427 has 4 divisors (see below), whose sum is σ = 538930296. Its totient is φ = 449108560.

The previous prime is 494019401. The next prime is 494019511. The reversal of 494019427 is 724910494.

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 494019427 - 2¹¹ = 494017379 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 494019427.

It is not an unprimeable number, because it can be changed into a prime (494059427) 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, 22455418 + ... + 22455439.

It is an arithmetic number, because the mean of its divisors is an integer number (134732574).

Almost surely, 2^494019427 is an apocalyptic number.

494019427 is a deficient number, since it is larger than the sum of its proper divisors (44910869).

494019427 is a wasteful number, since it uses less digits than its factorization.

494019427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44910868.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 494019427 is about 22226.5477976226. The cubic root of 494019427 is about 790.5233017384.

The spelling of 494019427 in words is "four hundred ninety-four million, nineteen thousand, four hundred twenty-seven".