489503227945 has 4 divisors (see below), whose sum is σ = 587403873540. Its totient is φ = 391602582352.

The previous prime is 489503227907. The next prime is 489503227973. The reversal of 489503227945 is 549722305984.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 202064634256 + 287438593689 = 449516^2 + 536133^2 .

It is a cyclic number.

It is not a de Polignac number, because 489503227945 - 2⁷ = 489503227817 is a prime.

It is a super-2 number, since 2×489503227945² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 489503227945.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 48950322790 + ... + 48950322799.

It is an arithmetic number, because the mean of its divisors is an integer number (146850968385).

Almost surely, 2^489503227945 is an apocalyptic number.

It is an amenable number.

489503227945 is a deficient number, since it is larger than the sum of its proper divisors (97900645595).

489503227945 is an equidigital number, since it uses as much as digits as its factorization.

489503227945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97900645594.

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 489503227945 in words is "four hundred eighty-nine billion, five hundred three million, two hundred twenty-seven thousand, nine hundred forty-five".