505393769963 has 2 divisors, whose sum is σ = 505393769964. Its totient is φ = 505393769962.

The previous prime is 505393769893. The next prime is 505393770041. The reversal of 505393769963 is 369967393505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505393769963 - 2¹⁰ = 505393768939 is a prime.

It is a super-2 number, since 2×505393769963² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 505393769963.

It is not a weakly prime, because it can be changed into another prime (505393765963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252696884981 + 252696884982.

It is an arithmetic number, because the mean of its divisors is an integer number (252696884982).

Almost surely, 2^505393769963 is an apocalyptic number.

505393769963 is a deficient number, since it is larger than the sum of its proper divisors (1).

505393769963 is an equidigital number, since it uses as much as digits as its factorization.

505393769963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124002900, while the sum is 65.

The spelling of 505393769963 in words is "five hundred five billion, three hundred ninety-three million, seven hundred sixty-nine thousand, nine hundred sixty-three".