320240044193 has 2 divisors, whose sum is σ = 320240044194. Its totient is φ = 320240044192.

The previous prime is 320240044079. The next prime is 320240044219. The reversal of 320240044193 is 391440042023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310508616289 + 9731427904 = 557233^2 + 98648^2 .

It is a cyclic number.

It is not a de Polignac number, because 320240044193 - 2¹⁰ = 320240043169 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 (320240041193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160120022096 + 160120022097.

It is an arithmetic number, because the mean of its divisors is an integer number (160120022097).

Almost surely, 2^320240044193 is an apocalyptic number.

It is an amenable number.

320240044193 is a deficient number, since it is larger than the sum of its proper divisors (1).

320240044193 is an equidigital number, since it uses as much as digits as its factorization.

320240044193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 320240044193 in words is "three hundred twenty billion, two hundred forty million, forty-four thousand, one hundred ninety-three".