7085729965549 has 2 divisors, whose sum is σ = 7085729965550. Its totient is φ = 7085729965548.

The previous prime is 7085729965543. The next prime is 7085729965703. The reversal of 7085729965549 is 9455699275807.

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., 7044549380649 + 41180584900 = 2654157^2 + 202930^2 .

It is a cyclic number.

It is not a de Polignac number, because 7085729965549 - 2¹³ = 7085729957357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7085729965543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3542864982774 + 3542864982775.

It is an arithmetic number, because the mean of its divisors is an integer number (3542864982775).

Almost surely, 2^{7085729965549} is an apocalyptic number.

It is an amenable number.

7085729965549 is a deficient number, since it is larger than the sum of its proper divisors (1).

7085729965549 is an equidigital number, since it uses as much as digits as its factorization.

7085729965549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608000, while the sum is 76.

The spelling of 7085729965549 in words is "seven trillion, eighty-five billion, seven hundred twenty-nine million, nine hundred sixty-five thousand, five hundred forty-nine".