505041149983649 has 2 divisors, whose sum is σ = 505041149983650. Its totient is φ = 505041149983648.

The previous prime is 505041149983637. The next prime is 505041149983789. The reversal of 505041149983649 is 946389941140505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 466016140983649 + 39025009000000 = 21587407^2 + 6247000^2 .

It is a cyclic number.

It is not a de Polignac number, because 505041149983649 - 2⁴⁸ = 223566173272993 is a prime.

It is not a weakly prime, because it can be changed into another prime (505041149983609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252520574991824 + 252520574991825.

It is an arithmetic number, because the mean of its divisors is an integer number (252520574991825).

Almost surely, 2^{505041149983649} is an apocalyptic number.

It is an amenable number.

505041149983649 is a deficient number, since it is larger than the sum of its proper divisors (1).

505041149983649 is an equidigital number, since it uses as much as digits as its factorization.

505041149983649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 167961600, while the sum is 68.

The spelling of 505041149983649 in words is "five hundred five trillion, forty-one billion, one hundred forty-nine million, nine hundred eighty-three thousand, six hundred forty-nine".