489376226655121 has 8 divisors (see below), whose sum is σ = 527033038349160. Its totient is φ = 451721198756352.

The previous prime is 489376226655109. The next prime is 489376226655133. The reversal of 489376226655121 is 121556622673984.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (489376226655109) and next prime (489376226655133).

It can be written as a sum of positive squares in 4 ways, for example, as 224457926886400 + 264918299768721 = 14981920^2 + 16276311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 489376226655121 - 2¹¹ = 489376226653073 is a prime.

It is a super-3 number, since 3×489376226655121³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489376226655821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445378990 + ... + 446476423.

It is an arithmetic number, because the mean of its divisors is an integer number (65879129793645).

Almost surely, 2^{489376226655121} is an apocalyptic number.

It is an amenable number.

489376226655121 is a deficient number, since it is larger than the sum of its proper divisors (37656811694039).

489376226655121 is a wasteful number, since it uses less digits than its factorization.

489376226655121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891897635.

The product of its digits is 261273600, while the sum is 67.

The spelling of 489376226655121 in words is "four hundred eighty-nine trillion, three hundred seventy-six billion, two hundred twenty-six million, six hundred fifty-five thousand, one hundred twenty-one".