488552054821 has 4 divisors (see below), whose sum is σ = 491083412812. Its totient is φ = 486020696832.

The previous prime is 488552054789. The next prime is 488552054827. The reversal of 488552054821 is 128450255884.

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 115218834721 + 373333220100 = 339439^2 + 611010^2 .

It is a cyclic number.

It is not a de Polignac number, because 488552054821 - 2⁵ = 488552054789 is a prime.

It is a super-2 number, since 2×488552054821² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488552054827) 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, 1265678706 + ... + 1265679091.

It is an arithmetic number, because the mean of its divisors is an integer number (122770853203).

Almost surely, 2^488552054821 is an apocalyptic number.

It is an amenable number.

488552054821 is a deficient number, since it is larger than the sum of its proper divisors (2531357991).

488552054821 is a wasteful number, since it uses less digits than its factorization.

488552054821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531357990.

The product of its (nonzero) digits is 4096000, while the sum is 52.

The spelling of 488552054821 in words is "four hundred eighty-eight billion, five hundred fifty-two million, fifty-four thousand, eight hundred twenty-one".