64228711441 has 2 divisors, whose sum is σ = 64228711442. Its totient is φ = 64228711440.

The previous prime is 64228711423. The next prime is 64228711457. The reversal of 64228711441 is 14411782246.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52906900225 + 11321811216 = 230015^2 + 106404^2 .

It is a cyclic number.

It is not a de Polignac number, because 64228711441 - 2¹³ = 64228703249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64228711394 and 64228711403.

It is not a weakly prime, because it can be changed into another prime (64228751441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32114355720 + 32114355721.

It is an arithmetic number, because the mean of its divisors is an integer number (32114355721).

Almost surely, 2^64228711441 is an apocalyptic number.

It is an amenable number.

64228711441 is a deficient number, since it is larger than the sum of its proper divisors (1).

64228711441 is an equidigital number, since it uses as much as digits as its factorization.

64228711441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 40.

The spelling of 64228711441 in words is "sixty-four billion, two hundred twenty-eight million, seven hundred eleven thousand, four hundred forty-one".