71014609321 has 2 divisors, whose sum is σ = 71014609322. Its totient is φ = 71014609320.

The previous prime is 71014609297. The next prime is 71014609343. The reversal of 71014609321 is 12390641017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36351616921 + 34662992400 = 190661^2 + 186180^2 .

It is an emirp because it is prime and its reverse (12390641017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71014609321 - 2⁹ = 71014608809 is a prime.

It is not a weakly prime, because it can be changed into another prime (71014609021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35507304660 + 35507304661.

It is an arithmetic number, because the mean of its divisors is an integer number (35507304661).

Almost surely, 2^71014609321 is an apocalyptic number.

It is an amenable number.

71014609321 is a deficient number, since it is larger than the sum of its proper divisors (1).

71014609321 is an equidigital number, since it uses as much as digits as its factorization.

71014609321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 71014609321 in words is "seventy-one billion, fourteen million, six hundred nine thousand, three hundred twenty-one".