489518165545 has 16 divisors (see below), whose sum is σ = 591661532160. Its totient is φ = 388795141504.

The previous prime is 489518165497. The next prime is 489518165551. The reversal of 489518165545 is 545561815984.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 489518165545 - 2²⁷ = 489383947817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108984 + ... + 995446.

It is an arithmetic number, because the mean of its divisors is an integer number (36978845760).

Almost surely, 2^489518165545 is an apocalyptic number.

It is an amenable number.

489518165545 is a deficient number, since it is larger than the sum of its proper divisors (102143366615).

489518165545 is a wasteful number, since it uses less digits than its factorization.

489518165545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887264.

The product of its digits is 34560000, while the sum is 61.

The spelling of 489518165545 in words is "four hundred eighty-nine billion, five hundred eighteen million, one hundred sixty-five thousand, five hundred forty-five".