485478989192 has 12 divisors (see below), whose sum is σ = 910276799895. Its totient is φ = 242738509224.

The previous prime is 485478989173. The next prime is 485478989207. The reversal of 485478989192 is 291989874584.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 242739494596 + 242739494596 = 492686^2 + 492686^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=492686.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1847573 + ... + 2093915.

Almost surely, 2^485478989192 is an apocalyptic number.

It is an amenable number.

485478989192 is a deficient number, since it is larger than the sum of its proper divisors (424797810703).

485478989192 is an frugal number, since it uses more digits than its factorization.

485478989192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492692 (or 246345 counting only the distinct ones).

The product of its digits is 418037760, while the sum is 74.

The spelling of 485478989192 in words is "four hundred eighty-five billion, four hundred seventy-eight million, nine hundred eighty-nine thousand, one hundred ninety-two".