493421351 has 2 divisors, whose sum is σ = 493421352. Its totient is φ = 493421350.

The previous prime is 493421339. The next prime is 493421407. The reversal of 493421351 is 153124394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 493421351 - 2⁶ = 493421287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493420351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246710675 + 246710676.

It is an arithmetic number, because the mean of its divisors is an integer number (246710676).

Almost surely, 2^493421351 is an apocalyptic number.

493421351 is a deficient number, since it is larger than the sum of its proper divisors (1).

493421351 is an equidigital number, since it uses as much as digits as its factorization.

493421351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 493421351 is about 22213.0896320165. The cubic root of 493421351 is about 790.2041618357.

The spelling of 493421351 in words is "four hundred ninety-three million, four hundred twenty-one thousand, three hundred fifty-one".