493852789 has 2 divisors, whose sum is σ = 493852790. Its totient is φ = 493852788.

The previous prime is 493852759. The next prime is 493852817. The reversal of 493852789 is 987258394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 458687889 + 35164900 = 21417^2 + 5930^2 .

It is a cyclic number.

It is not a de Polignac number, because 493852789 - 2¹¹ = 493850741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493852729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246926394 + 246926395.

It is an arithmetic number, because the mean of its divisors is an integer number (246926395).

Almost surely, 2^493852789 is an apocalyptic number.

It is an amenable number.

493852789 is a deficient number, since it is larger than the sum of its proper divisors (1).

493852789 is an equidigital number, since it uses as much as digits as its factorization.

493852789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 55.

The square root of 493852789 is about 22222.7988561297. The cubic root of 493852789 is about 790.4344077739.

The spelling of 493852789 in words is "four hundred ninety-three million, eight hundred fifty-two thousand, seven hundred eighty-nine".