493794853 has 2 divisors, whose sum is σ = 493794854. Its totient is φ = 493794852.

The previous prime is 493794839. The next prime is 493794863. The reversal of 493794853 is 358497394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405096129 + 88698724 = 20127^2 + 9418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493794853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 493794853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493794863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246897426 + 246897427.

It is an arithmetic number, because the mean of its divisors is an integer number (246897427).

Almost surely, 2^493794853 is an apocalyptic number.

It is an amenable number.

493794853 is a deficient number, since it is larger than the sum of its proper divisors (1).

493794853 is an equidigital number, since it uses as much as digits as its factorization.

493794853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 52.

The square root of 493794853 is about 22221.4952917215. The cubic root of 493794853 is about 790.4034968089.

The spelling of 493794853 in words is "four hundred ninety-three million, seven hundred ninety-four thousand, eight hundred fifty-three".