65380928441 has 2 divisors, whose sum is σ = 65380928442. Its totient is φ = 65380928440.

The previous prime is 65380928423. The next prime is 65380928447. The reversal of 65380928441 is 14482908356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65150010025 + 230918416 = 255245^2 + 15196^2 .

It is a cyclic number.

It is not a de Polignac number, because 65380928441 - 2⁶ = 65380928377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65380928441.

It is not a weakly prime, because it can be changed into another prime (65380928447) 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, 32690464220 + 32690464221.

It is an arithmetic number, because the mean of its divisors is an integer number (32690464221).

Almost surely, 2^65380928441 is an apocalyptic number.

It is an amenable number.

65380928441 is a deficient number, since it is larger than the sum of its proper divisors (1).

65380928441 is an equidigital number, since it uses as much as digits as its factorization.

65380928441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 65380928441 in words is "sixty-five billion, three hundred eighty million, nine hundred twenty-eight thousand, four hundred forty-one".