505406205063 has 12 divisors (see below), whose sum is σ = 730092568920. Its totient is φ = 336909139056.

The previous prime is 505406205047. The next prime is 505406205079. The reversal of 505406205063 is 360502604505.

It is a happy number.

505406205063 is a `hidden beast` number, since 5 + 0 + 540 + 6 + 2 + 0 + 50 + 63 = 666.

It is an interprime number because it is at equal distance from previous prime (505406205047) and next prime (505406205079).

It is not a de Polignac number, because 505406205063 - 2⁴ = 505406205047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505406200063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2247648 + ... + 2462261.

It is an arithmetic number, because the mean of its divisors is an integer number (60841047410).

Almost surely, 2^505406205063 is an apocalyptic number.

505406205063 is a deficient number, since it is larger than the sum of its proper divisors (224686363857).

505406205063 is a wasteful number, since it uses less digits than its factorization.

505406205063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721838 (or 4721835 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 505406205063 its reverse (360502604505), we get a palindrome (865908809568).

The spelling of 505406205063 in words is "five hundred five billion, four hundred six million, two hundred five thousand, sixty-three".