494650851 has 8 divisors (see below), whose sum is σ = 659670720. Its totient is φ = 329699112.

The previous prime is 494650799. The next prime is 494650861. The reversal of 494650851 is 158056494.

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

It is not a de Polignac number, because 494650851 - 2²³ = 486262243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494650861) 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 7 ways as a sum of consecutive naturals, for example, 3420 + ... + 31638.

It is an arithmetic number, because the mean of its divisors is an integer number (82458840).

Almost surely, 2^494650851 is an apocalyptic number.

494650851 is a deficient number, since it is larger than the sum of its proper divisors (165019869).

494650851 is a wasteful number, since it uses less digits than its factorization.

494650851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34065.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 494650851 is about 22240.7475368972. The cubic root of 494650851 is about 790.8599571046.

The spelling of 494650851 in words is "four hundred ninety-four million, six hundred fifty thousand, eight hundred fifty-one".