505673683 has 2 divisors, whose sum is σ = 505673684. Its totient is φ = 505673682.

The previous prime is 505673677. The next prime is 505673711. The reversal of 505673683 is 386376505.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505673683 is a prime.

It is not a weakly prime, because it can be changed into another prime (505673383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252836841 + 252836842.

It is an arithmetic number, because the mean of its divisors is an integer number (252836842).

Almost surely, 2^505673683 is an apocalyptic number.

505673683 is a deficient number, since it is larger than the sum of its proper divisors (1).

505673683 is an equidigital number, since it uses as much as digits as its factorization.

505673683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 505673683 is about 22487.1893085819. The cubic root of 505673683 is about 796.6913783721.

The spelling of 505673683 in words is "five hundred five million, six hundred seventy-three thousand, six hundred eighty-three".