71442424411 has 2 divisors, whose sum is σ = 71442424412. Its totient is φ = 71442424410.

The previous prime is 71442424393. The next prime is 71442424421. The reversal of 71442424411 is 11442424417.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71442424411 is a prime.

It is not a weakly prime, because it can be changed into another prime (71442424421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35721212205 + 35721212206.

It is an arithmetic number, because the mean of its divisors is an integer number (35721212206).

Almost surely, 2^71442424411 is an apocalyptic number.

71442424411 is a deficient number, since it is larger than the sum of its proper divisors (1).

71442424411 is an equidigital number, since it uses as much as digits as its factorization.

71442424411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28672, while the sum is 34.

Adding to 71442424411 its reverse (11442424417), we get a palindrome (82884848828).

The spelling of 71442424411 in words is "seventy-one billion, four hundred forty-two million, four hundred twenty-four thousand, four hundred eleven".