320265954281753 has 2 divisors, whose sum is σ = 320265954281754. Its totient is φ = 320265954281752.

The previous prime is 320265954281747. The next prime is 320265954281761. The reversal of 320265954281753 is 357182459562023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222885431705104 + 97380522576649 = 14929348^2 + 9868157^2 .

It is a cyclic number.

It is not a de Polignac number, because 320265954281753 - 2²⁸ = 320265685846297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (325265954281753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160132977140876 + 160132977140877.

It is an arithmetic number, because the mean of its divisors is an integer number (160132977140877).

It is a 1-persistent number, because it is pandigital, but 2⋅320265954281753 = 640531908563506 is not.

Almost surely, 2^{320265954281753} is an apocalyptic number.

It is an amenable number.

320265954281753 is a deficient number, since it is larger than the sum of its proper divisors (1).

320265954281753 is an equidigital number, since it uses as much as digits as its factorization.

320265954281753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864000, while the sum is 62.

The spelling of 320265954281753 in words is "three hundred twenty trillion, two hundred sixty-five billion, nine hundred fifty-four million, two hundred eighty-one thousand, seven hundred fifty-three".