489813560128 has 14 divisors (see below), whose sum is σ = 971973783506. Its totient is φ = 244906780032.

The previous prime is 489813560087. The next prime is 489813560153. The reversal of 489813560128 is 821065318984.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 423842665024 + 65970895104 = 651032^2 + 256848^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3826668375 + ... + 3826668502.

Almost surely, 2^489813560128 is an apocalyptic number.

It is an amenable number.

489813560128 is a deficient number, since it is larger than the sum of its proper divisors (482160223378).

489813560128 is an equidigital number, since it uses as much as digits as its factorization.

489813560128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7653336889 (or 7653336879 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 55.

The spelling of 489813560128 in words is "four hundred eighty-nine billion, eight hundred thirteen million, five hundred sixty thousand, one hundred twenty-eight".