489401010487 has 2 divisors, whose sum is σ = 489401010488. Its totient is φ = 489401010486.

The previous prime is 489401010473. The next prime is 489401010583. The reversal of 489401010487 is 784010104984.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489401010487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489401020487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244700505243 + 244700505244.

It is an arithmetic number, because the mean of its divisors is an integer number (244700505244).

Almost surely, 2^489401010487 is an apocalyptic number.

489401010487 is a deficient number, since it is larger than the sum of its proper divisors (1).

489401010487 is an equidigital number, since it uses as much as digits as its factorization.

489401010487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 489401010487 in words is "four hundred eighty-nine billion, four hundred one million, ten thousand, four hundred eighty-seven".