65663464343 has 2 divisors, whose sum is σ = 65663464344. Its totient is φ = 65663464342.

The previous prime is 65663464319. The next prime is 65663464357. The reversal of 65663464343 is 34346436656.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65663464343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65663464291 and 65663464300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65663464943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32831732171 + 32831732172.

It is an arithmetic number, because the mean of its divisors is an integer number (32831732172).

Almost surely, 2^65663464343 is an apocalyptic number.

65663464343 is a deficient number, since it is larger than the sum of its proper divisors (1).

65663464343 is an equidigital number, since it uses as much as digits as its factorization.

65663464343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11197440, while the sum is 50.

The spelling of 65663464343 in words is "sixty-five billion, six hundred sixty-three million, four hundred sixty-four thousand, three hundred forty-three".