489457901505 has 32 divisors (see below), whose sum is σ = 829242188928. Its totient is φ = 245675955200.

The previous prime is 489457901497. The next prime is 489457901519. The reversal of 489457901505 is 505109754984.

It is a happy number.

It is not a de Polignac number, because 489457901505 - 2³ = 489457901497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6660010 + ... + 6733100.

It is an arithmetic number, because the mean of its divisors is an integer number (25913818404).

Almost surely, 2^489457901505 is an apocalyptic number.

It is an amenable number.

489457901505 is a deficient number, since it is larger than the sum of its proper divisors (339784287423).

489457901505 is a wasteful number, since it uses less digits than its factorization.

489457901505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99377.

The product of its (nonzero) digits is 9072000, while the sum is 57.

The spelling of 489457901505 in words is "four hundred eighty-nine billion, four hundred fifty-seven million, nine hundred one thousand, five hundred five".