493038479 has 2 divisors, whose sum is σ = 493038480. Its totient is φ = 493038478.

The previous prime is 493038463. The next prime is 493038493. The reversal of 493038479 is 974830394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 493038479 - 2⁴ = 493038463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493038449) 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, 246519239 + 246519240.

It is an arithmetic number, because the mean of its divisors is an integer number (246519240).

Almost surely, 2^493038479 is an apocalyptic number.

493038479 is a deficient number, since it is larger than the sum of its proper divisors (1).

493038479 is an equidigital number, since it uses as much as digits as its factorization.

493038479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 493038479 is about 22204.4697977682. The cubic root of 493038479 is about 789.9997217325. Note that the first 3 decimals are identical.

The spelling of 493038479 in words is "four hundred ninety-three million, thirty-eight thousand, four hundred seventy-nine".