65143541563 has 2 divisors, whose sum is σ = 65143541564. Its totient is φ = 65143541562.

The previous prime is 65143541549. The next prime is 65143541581. The reversal of 65143541563 is 36514534156.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65143541563 is a prime.

It is not a weakly prime, because it can be changed into another prime (65143544563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32571770781 + 32571770782.

It is an arithmetic number, because the mean of its divisors is an integer number (32571770782).

Almost surely, 2^65143541563 is an apocalyptic number.

65143541563 is a deficient number, since it is larger than the sum of its proper divisors (1).

65143541563 is an equidigital number, since it uses as much as digits as its factorization.

65143541563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 43.

The spelling of 65143541563 in words is "sixty-five billion, one hundred forty-three million, five hundred forty-one thousand, five hundred sixty-three".