484539895921 has 9 divisors (see below), whose sum is σ = 486994795833. Its totient is φ = 482097319620.

The previous prime is 484539895909. The next prime is 484539895943. The reversal of 484539895921 is 129598935484.

The square root of 484539895921 is 696089.

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

It is a de Polignac number, because none of the positive numbers 2^k-484539895921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (484539895981) 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, 146873130 + ... + 146876428.

Almost surely, 2^484539895921 is an apocalyptic number.

484539895921 is the 696089-th square number.

484539895921 is the 348045-th centered octagonal number.

It is an amenable number.

484539895921 is a deficient number, since it is larger than the sum of its proper divisors (2454899912).

484539895921 is an frugal number, since it uses more digits than its factorization.

484539895921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7020 (or 3510 counting only the distinct ones).

The product of its digits is 111974400, while the sum is 67.

The spelling of 484539895921 in words is "four hundred eighty-four billion, five hundred thirty-nine million, eight hundred ninety-five thousand, nine hundred twenty-one".