489323047 has 2 divisors, whose sum is σ = 489323048. Its totient is φ = 489323046.

The previous prime is 489323041. The next prime is 489323059. The reversal of 489323047 is 740323984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 489323047 - 2¹¹ = 489320999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489323041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244661523 + 244661524.

It is an arithmetic number, because the mean of its divisors is an integer number (244661524).

Almost surely, 2^489323047 is an apocalyptic number.

489323047 is a deficient number, since it is larger than the sum of its proper divisors (1).

489323047 is an equidigital number, since it uses as much as digits as its factorization.

489323047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 489323047 is about 22120.6475266887. The cubic root of 489323047 is about 788.0102933327.

The spelling of 489323047 in words is "four hundred eighty-nine million, three hundred twenty-three thousand, forty-seven".