493726313 has 2 divisors, whose sum is σ = 493726314. Its totient is φ = 493726312.

The previous prime is 493726309. The next prime is 493726319. The reversal of 493726313 is 313627394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305131024 + 188595289 = 17468^2 + 13733^2 .

It is a cyclic number.

It is not a de Polignac number, because 493726313 - 2² = 493726309 is a prime.

It is not a weakly prime, because it can be changed into another prime (493726319) 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, 246863156 + 246863157.

It is an arithmetic number, because the mean of its divisors is an integer number (246863157).

Almost surely, 2^493726313 is an apocalyptic number.

It is an amenable number.

493726313 is a deficient number, since it is larger than the sum of its proper divisors (1).

493726313 is an equidigital number, since it uses as much as digits as its factorization.

493726313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 38.

The square root of 493726313 is about 22219.9530377542. The cubic root of 493726313 is about 790.3669251017.

The spelling of 493726313 in words is "four hundred ninety-three million, seven hundred twenty-six thousand, three hundred thirteen".