494345451 has 4 divisors (see below), whose sum is σ = 659127272. Its totient is φ = 329563632.

The previous prime is 494345351. The next prime is 494345471. The reversal of 494345451 is 154543494.

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

It is not a de Polignac number, because 494345451 - 2¹¹ = 494343403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494345471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82390906 + ... + 82390911.

It is an arithmetic number, because the mean of its divisors is an integer number (164781818).

Almost surely, 2^494345451 is an apocalyptic number.

494345451 is a deficient number, since it is larger than the sum of its proper divisors (164781821).

494345451 is a wasteful number, since it uses less digits than its factorization.

494345451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164781820.

The product of its digits is 172800, while the sum is 39.

The square root of 494345451 is about 22233.8807004086. The cubic root of 494345451 is about 790.6971632508.

The spelling of 494345451 in words is "four hundred ninety-four million, three hundred forty-five thousand, four hundred fifty-one".