71373422437243 has 2 divisors, whose sum is σ = 71373422437244. Its totient is φ = 71373422437242.

The previous prime is 71373422437153. The next prime is 71373422437249. The reversal of 71373422437243 is 34273422437317.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71373422437243 - 2³⁷ = 71235983483771 is a prime.

It is not a weakly prime, because it can be changed into another prime (71373422437249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35686711218621 + 35686711218622.

It is an arithmetic number, because the mean of its divisors is an integer number (35686711218622).

Almost surely, 2^{71373422437243} is an apocalyptic number.

71373422437243 is a deficient number, since it is larger than the sum of its proper divisors (1).

71373422437243 is an equidigital number, since it uses as much as digits as its factorization.

71373422437243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14224896, while the sum is 52.

The spelling of 71373422437243 in words is "seventy-one trillion, three hundred seventy-three billion, four hundred twenty-two million, four hundred thirty-seven thousand, two hundred forty-three".