489570661251116 has 24 divisors (see below), whose sum is σ = 860164945375680. Its totient is φ = 243809254970000.

The previous prime is 489570661251109. The next prime is 489570661251167. The reversal of 489570661251116 is 611152166075984.

It is a happy number.

It is a super-2 number, since 2×489570661251116² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377791895 + ... + 379085553.

It is an arithmetic number, because the mean of its divisors is an integer number (35840206057320).

Almost surely, 2^{489570661251116} is an apocalyptic number.

It is an amenable number.

489570661251116 is a deficient number, since it is larger than the sum of its proper divisors (370594284124564).

489570661251116 is a wasteful number, since it uses less digits than its factorization.

489570661251116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670845 (or 1670843 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 62.

The spelling of 489570661251116 in words is "four hundred eighty-nine trillion, five hundred seventy billion, six hundred sixty-one million, two hundred fifty-one thousand, one hundred sixteen".