385568546261 has 2 divisors, whose sum is σ = 385568546262. Its totient is φ = 385568546260.

The previous prime is 385568546249. The next prime is 385568546309. The reversal of 385568546261 is 162645865583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304781284900 + 80787261361 = 552070^2 + 284231^2 .

It is a cyclic number.

It is not a de Polignac number, because 385568546261 - 2⁶ = 385568546197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385568546261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385568546861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192784273130 + 192784273131.

It is an arithmetic number, because the mean of its divisors is an integer number (192784273131).

Almost surely, 2^385568546261 is an apocalyptic number.

It is an amenable number.

385568546261 is a deficient number, since it is larger than the sum of its proper divisors (1).

385568546261 is an equidigital number, since it uses as much as digits as its factorization.

385568546261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472000, while the sum is 59.

The spelling of 385568546261 in words is "three hundred eighty-five billion, five hundred sixty-eight million, five hundred forty-six thousand, two hundred sixty-one".