494909494 has 8 divisors (see below), whose sum is σ = 749714688. Its totient is φ = 245004600.

The previous prime is 494909479. The next prime is 494909557.

494909494 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

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, 1224822 + ... + 1225225.

It is an arithmetic number, because the mean of its divisors is an integer number (93714336).

Almost surely, 2^494909494 is an apocalyptic number.

494909494 is a deficient number, since it is larger than the sum of its proper divisors (254805194).

494909494 is a wasteful number, since it uses less digits than its factorization.

494909494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450150.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 494909494 is about 22246.5613972137. The cubic root of 494909494 is about 790.9977746851.

The spelling of 494909494 in words is "four hundred ninety-four million, nine hundred nine thousand, four hundred ninety-four".