493968617 has 2 divisors, whose sum is σ = 493968618. Its totient is φ = 493968616.

The previous prime is 493968613. The next prime is 493968641. The reversal of 493968617 is 716869394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 357172201 + 136796416 = 18899^2 + 11696^2 .

It is a cyclic number.

It is not a de Polignac number, because 493968617 - 2² = 493968613 is a prime.

It is a super-3 number, since 3×493968617³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (493968613) 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, 246984308 + 246984309.

It is an arithmetic number, because the mean of its divisors is an integer number (246984309).

Almost surely, 2^493968617 is an apocalyptic number.

It is an amenable number.

493968617 is a deficient number, since it is larger than the sum of its proper divisors (1).

493968617 is an equidigital number, since it uses as much as digits as its factorization.

493968617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 53.

The square root of 493968617 is about 22225.4047657180. The cubic root of 493968617 is about 790.4961989809.

The spelling of 493968617 in words is "four hundred ninety-three million, nine hundred sixty-eight thousand, six hundred seventeen".