489206477 has 2 divisors, whose sum is σ = 489206478. Its totient is φ = 489206476.

The previous prime is 489206449. The next prime is 489206533. The reversal of 489206477 is 774602984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326669476 + 162537001 = 18074^2 + 12749^2 .

It is a cyclic number.

It is not a de Polignac number, because 489206477 - 2¹² = 489202381 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489206437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244603238 + 244603239.

It is an arithmetic number, because the mean of its divisors is an integer number (244603239).

Almost surely, 2^489206477 is an apocalyptic number.

It is an amenable number.

489206477 is a deficient number, since it is larger than the sum of its proper divisors (1).

489206477 is an equidigital number, since it uses as much as digits as its factorization.

489206477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 489206477 is about 22118.0125011268. The cubic root of 489206477 is about 787.9477132330.

The spelling of 489206477 in words is "four hundred eighty-nine million, two hundred six thousand, four hundred seventy-seven".