385568546617 has 2 divisors, whose sum is σ = 385568546618. Its totient is φ = 385568546616.

The previous prime is 385568546593. The next prime is 385568546651. The reversal of 385568546617 is 716645865583.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351928951696 + 33639594921 = 593236^2 + 183411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385568546617 is a prime.

It is not a weakly prime, because it can be changed into another prime (385568546677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192784273308 + 192784273309.

It is an arithmetic number, because the mean of its divisors is an integer number (192784273309).

Almost surely, 2^385568546617 is an apocalyptic number.

It is an amenable number.

385568546617 is a deficient number, since it is larger than the sum of its proper divisors (1).

385568546617 is an equidigital number, since it uses as much as digits as its factorization.

385568546617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152000, while the sum is 64.

The spelling of 385568546617 in words is "three hundred eighty-five billion, five hundred sixty-eight million, five hundred forty-six thousand, six hundred seventeen".