494425479489 has 16 divisors (see below), whose sum is σ = 677674134528. Its totient is φ = 320413300992.

The previous prime is 494425479487. The next prime is 494425479503. The reversal of 494425479489 is 984974524494.

It is not a de Polignac number, because 494425479489 - 2¹ = 494425479487 is a prime.

It is a super-2 number, since 2×494425479489² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (494425479487) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1928232 + ... + 2169545.

It is an arithmetic number, because the mean of its divisors is an integer number (42354633408).

Almost surely, 2^494425479489 is an apocalyptic number.

It is an amenable number.

494425479489 is a deficient number, since it is larger than the sum of its proper divisors (183248655039).

494425479489 is a wasteful number, since it uses less digits than its factorization.

494425479489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098904.

The product of its digits is 418037760, while the sum is 69.

The spelling of 494425479489 in words is "four hundred ninety-four billion, four hundred twenty-five million, four hundred seventy-nine thousand, four hundred eighty-nine".