494171200889 has 8 divisors (see below), whose sum is σ = 501143386752. Its totient is φ = 487199349280.

The previous prime is 494171200883. The next prime is 494171200921. The reversal of 494171200889 is 988002171494.

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-494171200889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 494171200889.

It is not an unprimeable number, because it can be changed into a prime (494171200883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5595932 + ... + 5683554.

It is an arithmetic number, because the mean of its divisors is an integer number (62642923344).

Almost surely, 2^494171200889 is an apocalyptic number.

It is an amenable number.

494171200889 is a deficient number, since it is larger than the sum of its proper divisors (6972185863).

494171200889 is an equidigital number, since it uses as much as digits as its factorization.

494171200889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167127.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 494171200889 in words is "four hundred ninety-four billion, one hundred seventy-one million, two hundred thousand, eight hundred eighty-nine".