504949493 has 2 divisors, whose sum is σ = 504949494. Its totient is φ = 504949492.

The previous prime is 504949463. The next prime is 504949519. The reversal of 504949493 is 394949405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310570129 + 194379364 = 17623^2 + 13942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504949493 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 (504949463) 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, 252474746 + 252474747.

It is an arithmetic number, because the mean of its divisors is an integer number (252474747).

Almost surely, 2^504949493 is an apocalyptic number.

It is an amenable number.

504949493 is a deficient number, since it is larger than the sum of its proper divisors (1).

504949493 is an equidigital number, since it uses as much as digits as its factorization.

504949493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 504949493 is about 22471.0812601441. The cubic root of 504949493 is about 796.3108750336.

The spelling of 504949493 in words is "five hundred four million, nine hundred forty-nine thousand, four hundred ninety-three".