65746473572265 has 16 divisors (see below), whose sum is σ = 105900360120000. Its totient is φ = 34829451770432.

The previous prime is 65746473572261. The next prime is 65746473572291. The reversal of 65746473572265 is 56227537464756.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 65746473572265 - 2² = 65746473572261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65746473572265.

It is not an unprimeable number, because it can be changed into a prime (65746473572261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14708381115 + ... + 14708385584.

It is an arithmetic number, because the mean of its divisors is an integer number (6618772507500).

Almost surely, 2^{65746473572265} is an apocalyptic number.

It is an amenable number.

65746473572265 is a deficient number, since it is larger than the sum of its proper divisors (40153886547735).

65746473572265 is a wasteful number, since it uses less digits than its factorization.

65746473572265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29416766856.

The product of its digits is 1778112000, while the sum is 69.

The spelling of 65746473572265 in words is "sixty-five trillion, seven hundred forty-six billion, four hundred seventy-three million, five hundred seventy-two thousand, two hundred sixty-five".