488018605921 has 16 divisors (see below), whose sum is σ = 608454466560. Its totient is φ = 380264435280.

The previous prime is 488018605913. The next prime is 488018605927. The reversal of 488018605921 is 129506810884.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 488018605921 - 2³ = 488018605913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (488018605927) 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 15 ways as a sum of consecutive naturals, for example, 4829250 + ... + 4929268.

It is an arithmetic number, because the mean of its divisors is an integer number (38028404160).

Almost surely, 2^488018605921 is an apocalyptic number.

It is an amenable number.

488018605921 is a deficient number, since it is larger than the sum of its proper divisors (120435860639).

488018605921 is a wasteful number, since it uses less digits than its factorization.

488018605921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163404.

The product of its (nonzero) digits is 1105920, while the sum is 52.

The spelling of 488018605921 in words is "four hundred eighty-eight billion, eighteen million, six hundred five thousand, nine hundred twenty-one".