65909532263 has 2 divisors, whose sum is σ = 65909532264. Its totient is φ = 65909532262.

The previous prime is 65909532229. The next prime is 65909532289. The reversal of 65909532263 is 36223590956.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65909532263 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65909532203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32954766131 + 32954766132.

It is an arithmetic number, because the mean of its divisors is an integer number (32954766132).

Almost surely, 2^65909532263 is an apocalyptic number.

65909532263 is a deficient number, since it is larger than the sum of its proper divisors (1).

65909532263 is an equidigital number, since it uses as much as digits as its factorization.

65909532263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2624400, while the sum is 50.

The spelling of 65909532263 in words is "sixty-five billion, nine hundred nine million, five hundred thirty-two thousand, two hundred sixty-three".