494121626 has 8 divisors (see below), whose sum is σ = 784781460. Its totient is φ = 232527808.

The previous prime is 494121611. The next prime is 494121647. The reversal of 494121626 is 626121494.

It can be written as a sum of positive squares in 2 ways, for example, as 430521001 + 63600625 = 20749^2 + 7975^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7266461 + ... + 7266528.

Almost surely, 2^494121626 is an apocalyptic number.

494121626 is a deficient number, since it is larger than the sum of its proper divisors (290659834).

494121626 is a wasteful number, since it uses less digits than its factorization.

494121626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14533008.

The product of its digits is 20736, while the sum is 35.

The square root of 494121626 is about 22228.8467087251. The cubic root of 494121626 is about 790.5778104722.

The spelling of 494121626 in words is "four hundred ninety-four million, one hundred twenty-one thousand, six hundred twenty-six".