489780613 has 24 divisors (see below), whose sum is σ = 596749760. Its totient is φ = 393778800.

The previous prime is 489780611. The next prime is 489780619. The reversal of 489780613 is 316087984.

It is a happy number.

It is not a de Polignac number, because 489780613 - 2¹ = 489780611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489780611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4849263 + ... + 4849363.

Almost surely, 2^489780613 is an apocalyptic number.

It is an amenable number.

489780613 is a deficient number, since it is larger than the sum of its proper divisors (106969147).

489780613 is an frugal number, since it uses more digits than its factorization.

489780613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 489780613 is about 22130.9876191733. The cubic root of 489780613 is about 788.2558396303.

The spelling of 489780613 in words is "four hundred eighty-nine million, seven hundred eighty thousand, six hundred thirteen".