71336099221273 has 2 divisors, whose sum is σ = 71336099221274. Its totient is φ = 71336099221272.

The previous prime is 71336099221253. The next prime is 71336099221333. The reversal of 71336099221273 is 37212299063317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50085585031689 + 21250514189584 = 7077117^2 + 4609828^2 .

It is a cyclic number.

It is not a de Polignac number, because 71336099221273 - 2⁵ = 71336099221241 is a prime.

It is not a weakly prime, because it can be changed into another prime (71336099221253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35668049610636 + 35668049610637.

It is an arithmetic number, because the mean of its divisors is an integer number (35668049610637).

Almost surely, 2^{71336099221273} is an apocalyptic number.

It is an amenable number.

71336099221273 is a deficient number, since it is larger than the sum of its proper divisors (1).

71336099221273 is an equidigital number, since it uses as much as digits as its factorization.

71336099221273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5143824, while the sum is 55.

The spelling of 71336099221273 in words is "seventy-one trillion, three hundred thirty-six billion, ninety-nine million, two hundred twenty-one thousand, two hundred seventy-three".