488518521481 has 9 divisors (see below), whose sum is σ = 489729985101. Its totient is φ = 487310052492.

The previous prime is 488518521479. The next prime is 488518521503. The reversal of 488518521481 is 184125815884.

The square root of 488518521481 is 698941.

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

It is not a de Polignac number, because 488518521481 - 2¹ = 488518521479 is a prime.

It is a super-2 number, since 2×488518521481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (488518521181) 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, 449418520 + ... + 449419606.

It is an arithmetic number, because the mean of its divisors is an integer number (54414442789).

Almost surely, 2^488518521481 is an apocalyptic number.

488518521481 is the 698941-st square number.

488518521481 is the 349471-st centered octagonal number.

It is an amenable number.

488518521481 is a deficient number, since it is larger than the sum of its proper divisors (1211463620).

488518521481 is an frugal number, since it uses more digits than its factorization.

488518521481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460 (or 1730 counting only the distinct ones).

The product of its digits is 3276800, while the sum is 55.

The spelling of 488518521481 in words is "four hundred eighty-eight billion, five hundred eighteen million, five hundred twenty-one thousand, four hundred eighty-one".