494390063801 has 8 divisors (see below), whose sum is σ = 495785141280. Its totient is φ = 492996877632.

The previous prime is 494390063777. The next prime is 494390063809. The reversal of 494390063801 is 108360093494.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494390063801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (494390063809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51530 + ... + 995708.

It is an arithmetic number, because the mean of its divisors is an integer number (61973142660).

Almost surely, 2^494390063801 is an apocalyptic number.

It is an amenable number.

494390063801 is a deficient number, since it is larger than the sum of its proper divisors (1395077479).

494390063801 is an equidigital number, since it uses as much as digits as its factorization.

494390063801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945655.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 494390063801 in words is "four hundred ninety-four billion, three hundred ninety million, sixty-three thousand, eight hundred one".