65764226380609 has 16 divisors (see below), whose sum is σ = 69012773670400. Its totient is φ = 62591120254080.

The previous prime is 65764226380591. The next prime is 65764226380651. The reversal of 65764226380609 is 90608362246756.

It is a cyclic number.

It is not a de Polignac number, because 65764226380609 - 2¹⁷ = 65764226249537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65764226380409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40844367 + ... + 42423940.

It is an arithmetic number, because the mean of its divisors is an integer number (4313298354400).

Almost surely, 2^{65764226380609} is an apocalyptic number.

It is an amenable number.

65764226380609 is a deficient number, since it is larger than the sum of its proper divisors (3248547289791).

65764226380609 is a wasteful number, since it uses less digits than its factorization.

65764226380609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83268760.

The product of its (nonzero) digits is 156764160, while the sum is 64.

The spelling of 65764226380609 in words is "sixty-five trillion, seven hundred sixty-four billion, two hundred twenty-six million, three hundred eighty thousand, six hundred nine".