488404026681 has 4 divisors (see below), whose sum is σ = 651205368912. Its totient is φ = 325602684452.

The previous prime is 488404026647. The next prime is 488404026731. The reversal of 488404026681 is 186620404884.

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 488404026681 - 2³⁴ = 471224157497 is a prime.

It is a super-2 number, since 2×488404026681² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (488404026601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81400671111 + ... + 81400671116.

It is an arithmetic number, because the mean of its divisors is an integer number (162801342228).

Almost surely, 2^488404026681 is an apocalyptic number.

It is an amenable number.

488404026681 is a deficient number, since it is larger than the sum of its proper divisors (162801342231).

488404026681 is a wasteful number, since it uses less digits than its factorization.

488404026681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162801342230.

The product of its (nonzero) digits is 2359296, while the sum is 51.

The spelling of 488404026681 in words is "four hundred eighty-eight billion, four hundred four million, twenty-six thousand, six hundred eighty-one".