65393910767 has 2 divisors, whose sum is σ = 65393910768. Its totient is φ = 65393910766.

The previous prime is 65393910749. The next prime is 65393910779. The reversal of 65393910767 is 76701939356.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65393910767 - 2¹⁰ = 65393909743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65393910737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32696955383 + 32696955384.

It is an arithmetic number, because the mean of its divisors is an integer number (32696955384).

Almost surely, 2^65393910767 is an apocalyptic number.

65393910767 is a deficient number, since it is larger than the sum of its proper divisors (1).

65393910767 is an equidigital number, since it uses as much as digits as its factorization.

65393910767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6429780, while the sum is 56.

The spelling of 65393910767 in words is "sixty-five billion, three hundred ninety-three million, nine hundred ten thousand, seven hundred sixty-seven".