75287068839361 has 2 divisors, whose sum is σ = 75287068839362. Its totient is φ = 75287068839360.

The previous prime is 75287068839347. The next prime is 75287068839467. The reversal of 75287068839361 is 16393886078257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40547361317761 + 34739707521600 = 6367681^2 + 5894040^2 .

It is an emirp because it is prime and its reverse (16393886078257) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75287068839361 - 2⁵ = 75287068839329 is a prime.

It is not a weakly prime, because it can be changed into another prime (75287068839341) 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, 37643534419680 + 37643534419681.

It is an arithmetic number, because the mean of its divisors is an integer number (37643534419681).

Almost surely, 2^{75287068839361} is an apocalyptic number.

It is an amenable number.

75287068839361 is a deficient number, since it is larger than the sum of its proper divisors (1).

75287068839361 is an equidigital number, since it uses as much as digits as its factorization.

75287068839361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 731566080, while the sum is 73.

The spelling of 75287068839361 in words is "seventy-five trillion, two hundred eighty-seven billion, sixty-eight million, eight hundred thirty-nine thousand, three hundred sixty-one".