65455943633 has 2 divisors, whose sum is σ = 65455943634. Its totient is φ = 65455943632.

The previous prime is 65455943617. The next prime is 65455943647. The reversal of 65455943633 is 33634955456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36102660049 + 29353283584 = 190007^2 + 171328^2 .

It is a cyclic number.

It is not a de Polignac number, because 65455943633 - 2⁴ = 65455943617 is a prime.

It is not a weakly prime, because it can be changed into another prime (65455943233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32727971816 + 32727971817.

It is an arithmetic number, because the mean of its divisors is an integer number (32727971817).

Almost surely, 2^65455943633 is an apocalyptic number.

It is an amenable number.

65455943633 is a deficient number, since it is larger than the sum of its proper divisors (1).

65455943633 is an equidigital number, since it uses as much as digits as its factorization.

65455943633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496000, while the sum is 53.

The spelling of 65455943633 in words is "sixty-five billion, four hundred fifty-five million, nine hundred forty-three thousand, six hundred thirty-three".