488238871681 has 4 divisors (see below), whose sum is σ = 532624223664. Its totient is φ = 443853519700.

The previous prime is 488238871643. The next prime is 488238871723. The reversal of 488238871681 is 186178832884.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 488238871681 - 2²⁹ = 487702000769 is a prime.

It is a super-2 number, since 2×488238871681² (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 (488238871481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22192675975 + ... + 22192675996.

It is an arithmetic number, because the mean of its divisors is an integer number (133156055916).

Almost surely, 2^488238871681 is an apocalyptic number.

It is an amenable number.

488238871681 is a deficient number, since it is larger than the sum of its proper divisors (44385351983).

488238871681 is a wasteful number, since it uses less digits than its factorization.

488238871681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44385351982.

The product of its digits is 33030144, while the sum is 64.

The spelling of 488238871681 in words is "four hundred eighty-eight billion, two hundred thirty-eight million, eight hundred seventy-one thousand, six hundred eighty-one".