385444176563297 has 2 divisors, whose sum is σ = 385444176563298. Its totient is φ = 385444176563296.

The previous prime is 385444176563293. The next prime is 385444176563351. The reversal of 385444176563297 is 792365671444583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 360408924144721 + 25035252418576 = 18984439^2 + 5003524^2 .

It is a cyclic number.

It is not a de Polignac number, because 385444176563297 - 2² = 385444176563293 is a prime.

It is not a weakly prime, because it can be changed into another prime (385444176563291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192722088281648 + 192722088281649.

It is an arithmetic number, because the mean of its divisors is an integer number (192722088281649).

Almost surely, 2^{385444176563297} is an apocalyptic number.

It is an amenable number.

385444176563297 is a deficient number, since it is larger than the sum of its proper divisors (1).

385444176563297 is an equidigital number, since it uses as much as digits as its factorization.

385444176563297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3657830400, while the sum is 74.

The spelling of 385444176563297 in words is "three hundred eighty-five trillion, four hundred forty-four billion, one hundred seventy-six million, five hundred sixty-three thousand, two hundred ninety-seven".