489196493 has 2 divisors, whose sum is σ = 489196494. Its totient is φ = 489196492.

The previous prime is 489196489. The next prime is 489196517. The reversal of 489196493 is 394691984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 486952489 + 2244004 = 22067^2 + 1498^2 .

It is a cyclic number.

It is not a de Polignac number, because 489196493 - 2² = 489196489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489196093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244598246 + 244598247.

It is an arithmetic number, because the mean of its divisors is an integer number (244598247).

Almost surely, 2^489196493 is an apocalyptic number.

It is an amenable number.

489196493 is a deficient number, since it is larger than the sum of its proper divisors (1).

489196493 is an equidigital number, since it uses as much as digits as its factorization.

489196493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 53.

The square root of 489196493 is about 22117.7868015767. The cubic root of 489196493 is about 787.9423529036.

The spelling of 489196493 in words is "four hundred eighty-nine million, one hundred ninety-six thousand, four hundred ninety-three".