65803879663 has 2 divisors, whose sum is σ = 65803879664. Its totient is φ = 65803879662.

The previous prime is 65803879651. The next prime is 65803879699. The reversal of 65803879663 is 36697830856.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65803879663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65803879363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32901939831 + 32901939832.

It is an arithmetic number, because the mean of its divisors is an integer number (32901939832).

Almost surely, 2^65803879663 is an apocalyptic number.

65803879663 is a deficient number, since it is larger than the sum of its proper divisors (1).

65803879663 is an equidigital number, since it uses as much as digits as its factorization.

65803879663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 65803879663 in words is "sixty-five billion, eight hundred three million, eight hundred seventy-nine thousand, six hundred sixty-three".