493924369 has 2 divisors, whose sum is σ = 493924370. Its totient is φ = 493924368.

The previous prime is 493924337. The next prime is 493924391. The reversal of 493924369 is 963429394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 465696400 + 28227969 = 21580^2 + 5313^2 .

It is a cyclic number.

It is not a de Polignac number, because 493924369 - 2⁵ = 493924337 is a prime.

It is a super-2 number, since 2×493924369² = 487922564584096322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (493924309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246962184 + 246962185.

It is an arithmetic number, because the mean of its divisors is an integer number (246962185).

Almost surely, 2^493924369 is an apocalyptic number.

It is an amenable number.

493924369 is a deficient number, since it is larger than the sum of its proper divisors (1).

493924369 is an equidigital number, since it uses as much as digits as its factorization.

493924369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1259712, while the sum is 49.

The square root of 493924369 is about 22224.4093059861. The cubic root of 493924369 is about 790.4725949711.

The spelling of 493924369 in words is "four hundred ninety-three million, nine hundred twenty-four thousand, three hundred sixty-nine".