489039391554 has 24 divisors (see below), whose sum is σ = 1137765115728. Its totient is φ = 139725540360.

The previous prime is 489039391541. The next prime is 489039391559. The reversal of 489039391554 is 455193930984.

It is not an unprimeable number, because it can be changed into a prime (489039391559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 831699352 + ... + 831699939.

It is an arithmetic number, because the mean of its divisors is an integer number (47406879822).

Almost surely, 2^489039391554 is an apocalyptic number.

489039391554 is an abundant number, since it is smaller than the sum of its proper divisors (648725724174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489039391554 is a wasteful number, since it uses less digits than its factorization.

489039391554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663399310 (or 1663399303 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 60.

The spelling of 489039391554 in words is "four hundred eighty-nine billion, thirty-nine million, three hundred ninety-one thousand, five hundred fifty-four".