488404719865 has 4 divisors (see below), whose sum is σ = 586085663844. Its totient is φ = 390723775888.

The previous prime is 488404719863. The next prime is 488404719889. The reversal of 488404719865 is 568917404884.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 115556484096 + 372848235769 = 339936^2 + 610613^2 .

It is a cyclic number.

It is not a de Polignac number, because 488404719865 - 2¹ = 488404719863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 488404719797 and 488404719806.

It is not an unprimeable number, because it can be changed into a prime (488404719863) 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, 48840471982 + ... + 48840471991.

It is an arithmetic number, because the mean of its divisors is an integer number (146521415961).

Almost surely, 2^488404719865 is an apocalyptic number.

It is an amenable number.

488404719865 is a deficient number, since it is larger than the sum of its proper divisors (97680943979).

488404719865 is an equidigital number, since it uses as much as digits as its factorization.

488404719865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97680943978.

The product of its (nonzero) digits is 61931520, while the sum is 64.

The spelling of 488404719865 in words is "four hundred eighty-eight billion, four hundred four million, seven hundred nineteen thousand, eight hundred sixty-five".