385568546491 has 2 divisors, whose sum is σ = 385568546492. Its totient is φ = 385568546490.

The previous prime is 385568546483. The next prime is 385568546593. The reversal of 385568546491 is 194645865583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385568546491 - 2³ = 385568546483 is a prime.

It is not a weakly prime, because it can be changed into another prime (385568540491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192784273245 + 192784273246.

It is an arithmetic number, because the mean of its divisors is an integer number (192784273246).

Almost surely, 2^385568546491 is an apocalyptic number.

385568546491 is a deficient number, since it is larger than the sum of its proper divisors (1).

385568546491 is an equidigital number, since it uses as much as digits as its factorization.

385568546491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416000, while the sum is 64.

The spelling of 385568546491 in words is "three hundred eighty-five billion, five hundred sixty-eight million, five hundred forty-six thousand, four hundred ninety-one".