489388720133 has 2 divisors, whose sum is σ = 489388720134. Its totient is φ = 489388720132.

The previous prime is 489388720123. The next prime is 489388720153. The reversal of 489388720133 is 331027883984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 437426149924 + 51962570209 = 661382^2 + 227953^2 .

It is a cyclic number.

It is not a de Polignac number, because 489388720133 - 2⁶ = 489388720069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489388720123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244694360066 + 244694360067.

It is an arithmetic number, because the mean of its divisors is an integer number (244694360067).

Almost surely, 2^489388720133 is an apocalyptic number.

It is an amenable number.

489388720133 is a deficient number, since it is larger than the sum of its proper divisors (1).

489388720133 is an equidigital number, since it uses as much as digits as its factorization.

489388720133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 489388720133 in words is "four hundred eighty-nine billion, three hundred eighty-eight million, seven hundred twenty thousand, one hundred thirty-three".