71289019016 has 16 divisors (see below), whose sum is σ = 133932657600. Its totient is φ = 35573643664.

The previous prime is 71289019013. The next prime is 71289019051. The reversal of 71289019016 is 61091098217.

It is not an unprimeable number, because it can be changed into a prime (71289019013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8853956 + ... + 8862003.

It is an arithmetic number, because the mean of its divisors is an integer number (8370791100).

Almost surely, 2^71289019016 is an apocalyptic number.

It is an amenable number.

71289019016 is a deficient number, since it is larger than the sum of its proper divisors (62643638584).

71289019016 is a wasteful number, since it uses less digits than its factorization.

71289019016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17716468 (or 17716464 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 44.

The spelling of 71289019016 in words is "seventy-one billion, two hundred eighty-nine million, nineteen thousand, sixteen".