487333439681 has 8 divisors (see below), whose sum is σ = 532023704064. Its totient is φ = 442707712720.

The previous prime is 487333439653. The next prime is 487333439699. The reversal of 487333439681 is 186934333784.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487333439681 is a prime.

It is a super-2 number, since 2×487333439681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 487333439681.

It is not an unprimeable number, because it can be changed into a prime (487333339681) 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 7 ways as a sum of consecutive naturals, for example, 16118561 + ... + 16148766.

It is an arithmetic number, because the mean of its divisors is an integer number (66502963008).

Almost surely, 2^487333439681 is an apocalyptic number.

It is an amenable number.

487333439681 is a deficient number, since it is larger than the sum of its proper divisors (44690264383).

487333439681 is a wasteful number, since it uses less digits than its factorization.

487333439681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32268711.

The product of its digits is 31352832, while the sum is 59.

The spelling of 487333439681 in words is "four hundred eighty-seven billion, three hundred thirty-three million, four hundred thirty-nine thousand, six hundred eighty-one".