505212640963 has 2 divisors, whose sum is σ = 505212640964. Its totient is φ = 505212640962.

The previous prime is 505212640939. The next prime is 505212640997. The reversal of 505212640963 is 369046212505.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505212640963 is a prime.

It is not a weakly prime, because it can be changed into another prime (505212640363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252606320481 + 252606320482.

It is an arithmetic number, because the mean of its divisors is an integer number (252606320482).

Almost surely, 2^505212640963 is an apocalyptic number.

505212640963 is a deficient number, since it is larger than the sum of its proper divisors (1).

505212640963 is an equidigital number, since it uses as much as digits as its factorization.

505212640963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 505212640963 in words is "five hundred five billion, two hundred twelve million, six hundred forty thousand, nine hundred sixty-three".