65565355753 has 2 divisors, whose sum is σ = 65565355754. Its totient is φ = 65565355752.

The previous prime is 65565355741. The next prime is 65565355771. The reversal of 65565355753 is 35755356556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62684135424 + 2881220329 = 250368^2 + 53677^2 .

It is a cyclic number.

It is not a de Polignac number, because 65565355753 - 2⁵ = 65565355721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65565355694 and 65565355703.

It is not a weakly prime, because it can be changed into another prime (65565335753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32782677876 + 32782677877.

It is an arithmetic number, because the mean of its divisors is an integer number (32782677877).

Almost surely, 2^65565355753 is an apocalyptic number.

It is an amenable number.

65565355753 is a deficient number, since it is larger than the sum of its proper divisors (1).

65565355753 is an equidigital number, since it uses as much as digits as its factorization.

65565355753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35437500, while the sum is 55.

The spelling of 65565355753 in words is "sixty-five billion, five hundred sixty-five million, three hundred fifty-five thousand, seven hundred fifty-three".