65730424553 has 2 divisors, whose sum is σ = 65730424554. Its totient is φ = 65730424552.

The previous prime is 65730424481. The next prime is 65730424579. The reversal of 65730424553 is 35542403756.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65493510889 + 236913664 = 255917^2 + 15392^2 .

It is a cyclic number.

It is not a de Polignac number, because 65730424553 - 2¹⁴ = 65730408169 is a prime.

It is not a weakly prime, because it can be changed into another prime (65730124553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32865212276 + 32865212277.

It is an arithmetic number, because the mean of its divisors is an integer number (32865212277).

Almost surely, 2^65730424553 is an apocalyptic number.

It is an amenable number.

65730424553 is a deficient number, since it is larger than the sum of its proper divisors (1).

65730424553 is an equidigital number, since it uses as much as digits as its factorization.

65730424553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512000, while the sum is 44.

The spelling of 65730424553 in words is "sixty-five billion, seven hundred thirty million, four hundred twenty-four thousand, five hundred fifty-three".