493029391 has 2 divisors, whose sum is σ = 493029392. Its totient is φ = 493029390.

The previous prime is 493029337. The next prime is 493029401. The reversal of 493029391 is 193920394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 493029391 - 2⁷ = 493029263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493029331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246514695 + 246514696.

It is an arithmetic number, because the mean of its divisors is an integer number (246514696).

Almost surely, 2^493029391 is an apocalyptic number.

493029391 is a deficient number, since it is larger than the sum of its proper divisors (1).

493029391 is an equidigital number, since it uses as much as digits as its factorization.

493029391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 493029391 is about 22204.2651533439. The cubic root of 493029391 is about 789.9948677763.

The spelling of 493029391 in words is "four hundred ninety-three million, twenty-nine thousand, three hundred ninety-one".