485280817641 has 9 divisors (see below), whose sum is σ = 700964199741. Its totient is φ = 323519151852.

The previous prime is 485280817639. The next prime is 485280817657. The reversal of 485280817641 is 146718082584.

The square root of 485280817641 is 696621.

It is a perfect power (a square), and thus also a powerful number.

485280817641 is a `hidden beast` number, since 4 + 8 + 528 + 0 + 8 + 1 + 76 + 41 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 485280817641 - 2¹ = 485280817639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (485280817621) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1973760 + ... + 2205966.

Almost surely, 2^485280817641 is an apocalyptic number.

485280817641 is the 696621-st square number.

485280817641 is the 348311-st centered octagonal number.

It is an amenable number.

485280817641 is a deficient number, since it is larger than the sum of its proper divisors (215683382100).

485280817641 is an frugal number, since it uses more digits than its factorization.

485280817641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464420 (or 232210 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The spelling of 485280817641 in words is "four hundred eighty-five billion, two hundred eighty million, eight hundred seventeen thousand, six hundred forty-one".