489655659772 has 6 divisors (see below), whose sum is σ = 856897404608. Its totient is φ = 244827829884.

The previous prime is 489655659761. The next prime is 489655659791. The reversal of 489655659772 is 277956556984.

It is a junction number, because it is equal to n+sod(n) for n = 489655659695 and 489655659704.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 61206957468 + ... + 61206957475.

Almost surely, 2^489655659772 is an apocalyptic number.

It is an amenable number.

489655659772 is a deficient number, since it is larger than the sum of its proper divisors (367241744836).

489655659772 is a wasteful number, since it uses less digits than its factorization.

489655659772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122413914947 (or 122413914945 counting only the distinct ones).

The product of its digits is 1143072000, while the sum is 73.

The spelling of 489655659772 in words is "four hundred eighty-nine billion, six hundred fifty-five million, six hundred fifty-nine thousand, seven hundred seventy-two".