494121375089 has 8 divisors (see below), whose sum is σ = 503483480640. Its totient is φ = 484760716336.

The previous prime is 494121375049. The next prime is 494121375119. The reversal of 494121375089 is 980573121494.

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-494121375089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

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 494121375089.

It is not an unprimeable number, because it can be changed into a prime (494121375049) 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, 340622 + ... + 1050840.

It is an arithmetic number, because the mean of its divisors is an integer number (62935435080).

Almost surely, 2^494121375089 is an apocalyptic number.

It is an amenable number.

494121375089 is a deficient number, since it is larger than the sum of its proper divisors (9362105551).

494121375089 is a wasteful number, since it uses less digits than its factorization.

494121375089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723399.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 494121375089 in words is "four hundred ninety-four billion, one hundred twenty-one million, three hundred seventy-five thousand, eighty-nine".