505144030207 has 2 divisors, whose sum is σ = 505144030208. Its totient is φ = 505144030206.

The previous prime is 505144030159. The next prime is 505144030273. The reversal of 505144030207 is 702030441505.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505144030207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505144090207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252572015103 + 252572015104.

It is an arithmetic number, because the mean of its divisors is an integer number (252572015104).

Almost surely, 2^505144030207 is an apocalyptic number.

505144030207 is a deficient number, since it is larger than the sum of its proper divisors (1).

505144030207 is an equidigital number, since it uses as much as digits as its factorization.

505144030207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The spelling of 505144030207 in words is "five hundred five billion, one hundred forty-four million, thirty thousand, two hundred seven".