489184453 has 2 divisors, whose sum is σ = 489184454. Its totient is φ = 489184452.

The previous prime is 489184427. The next prime is 489184457. The reversal of 489184453 is 354481984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 289612324 + 199572129 = 17018^2 + 14127^2 .

It is a cyclic number.

It is not a de Polignac number, because 489184453 - 2¹⁷ = 489053381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489184457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244592226 + 244592227.

It is an arithmetic number, because the mean of its divisors is an integer number (244592227).

Almost surely, 2^489184453 is an apocalyptic number.

It is an amenable number.

489184453 is a deficient number, since it is larger than the sum of its proper divisors (1).

489184453 is an equidigital number, since it uses as much as digits as its factorization.

489184453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 46.

The square root of 489184453 is about 22117.5146207706. The cubic root of 489184453 is about 787.9358886274.

The spelling of 489184453 in words is "four hundred eighty-nine million, one hundred eighty-four thousand, four hundred fifty-three".