71443238041 has 16 divisors (see below), whose sum is σ = 83664322560. Its totient is φ = 59726718720.

The previous prime is 71443238033. The next prime is 71443238047. The reversal of 71443238041 is 14083234417.

It is a cyclic number.

It is not a de Polignac number, because 71443238041 - 2³ = 71443238033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71443238047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1048680 + ... + 1114726.

It is an arithmetic number, because the mean of its divisors is an integer number (5229020160).

Almost surely, 2^71443238041 is an apocalyptic number.

It is an amenable number.

71443238041 is a deficient number, since it is larger than the sum of its proper divisors (12221084519).

71443238041 is a wasteful number, since it uses less digits than its factorization.

71443238041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69864.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 71443238041 in words is "seventy-one billion, four hundred forty-three million, two hundred thirty-eight thousand, forty-one".