493043477 has 2 divisors, whose sum is σ = 493043478. Its totient is φ = 493043476.

The previous prime is 493043417. The next prime is 493043513. The reversal of 493043477 is 774340394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 471150436 + 21893041 = 21706^2 + 4679^2 .

It is a cyclic number.

It is not a de Polignac number, because 493043477 - 2¹² = 493039381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493043417) 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, 246521738 + 246521739.

It is an arithmetic number, because the mean of its divisors is an integer number (246521739).

Almost surely, 2^493043477 is an apocalyptic number.

It is an amenable number.

493043477 is a deficient number, since it is larger than the sum of its proper divisors (1).

493043477 is an equidigital number, since it uses as much as digits as its factorization.

493043477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 41.

The square root of 493043477 is about 22204.5823423905. The cubic root of 493043477 is about 790.0023911694.

The spelling of 493043477 in words is "four hundred ninety-three million, forty-three thousand, four hundred seventy-seven".