486710821521 has 16 divisors (see below), whose sum is σ = 723733574400. Its totient is φ = 323267653584.

The previous prime is 486710821427. The next prime is 486710821537. The reversal of 486710821521 is 125128017684.

486710821521 is a `hidden beast` number, since 48 + 6 + 7 + 1 + 0 + 82 + 1 + 521 = 666.

It is not a de Polignac number, because 486710821521 - 2⁷ = 486710821393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (486710825521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33498921 + ... + 33513446.

It is an arithmetic number, because the mean of its divisors is an integer number (45233348400).

Almost surely, 2^486710821521 is an apocalyptic number.

It is an amenable number.

486710821521 is a deficient number, since it is larger than the sum of its proper divisors (237022752879).

486710821521 is a wasteful number, since it uses less digits than its factorization.

486710821521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67012645 (or 67012639 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 486710821521 in words is "four hundred eighty-six billion, seven hundred ten million, eight hundred twenty-one thousand, five hundred twenty-one".