65264426497 has 2 divisors, whose sum is σ = 65264426498. Its totient is φ = 65264426496.

The previous prime is 65264426473. The next prime is 65264426501. The reversal of 65264426497 is 79462446256.

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., 64737678096 + 526748401 = 254436^2 + 22951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65264426497 is a prime.

It is not a weakly prime, because it can be changed into another prime (65264426417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32632213248 + 32632213249.

It is an arithmetic number, because the mean of its divisors is an integer number (32632213249).

Almost surely, 2^65264426497 is an apocalyptic number.

It is an amenable number.

65264426497 is a deficient number, since it is larger than the sum of its proper divisors (1).

65264426497 is an equidigital number, since it uses as much as digits as its factorization.

65264426497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 55.

The spelling of 65264426497 in words is "sixty-five billion, two hundred sixty-four million, four hundred twenty-six thousand, four hundred ninety-seven".