489678876833 has 2 divisors, whose sum is σ = 489678876834. Its totient is φ = 489678876832.

The previous prime is 489678876793. The next prime is 489678876871. The reversal of 489678876833 is 338678876984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307633294609 + 182045582224 = 554647^2 + 426668^2 .

It is a cyclic number.

It is not a de Polignac number, because 489678876833 - 2¹² = 489678872737 is a prime.

It is not a weakly prime, because it can be changed into another prime (489678876133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244839438416 + 244839438417.

It is an arithmetic number, because the mean of its divisors is an integer number (244839438417).

Almost surely, 2^489678876833 is an apocalyptic number.

It is an amenable number.

489678876833 is a deficient number, since it is larger than the sum of its proper divisors (1).

489678876833 is an equidigital number, since it uses as much as digits as its factorization.

489678876833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2341011456, while the sum is 77.

The spelling of 489678876833 in words is "four hundred eighty-nine billion, six hundred seventy-eight million, eight hundred seventy-six thousand, eight hundred thirty-three".