489376993 has 4 divisors (see below), whose sum is σ = 559288000. Its totient is φ = 419465988.

The previous prime is 489376981. The next prime is 489377029. The reversal of 489376993 is 399673984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489376993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489376933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34955493 + ... + 34955506.

It is an arithmetic number, because the mean of its divisors is an integer number (139822000).

Almost surely, 2^489376993 is an apocalyptic number.

It is an amenable number.

489376993 is a deficient number, since it is larger than the sum of its proper divisors (69911007).

489376993 is an equidigital number, since it uses as much as digits as its factorization.

489376993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69911006.

The product of its digits is 8817984, while the sum is 58.

The square root of 489376993 is about 22121.8668516018. The cubic root of 489376993 is about 788.0392506452.

The spelling of 489376993 in words is "four hundred eighty-nine million, three hundred seventy-six thousand, nine hundred ninety-three".