71013444008 has 16 divisors (see below), whose sum is σ = 143392531380. Its totient is φ = 32775435648.

The previous prime is 71013443999. The next prime is 71013444023. The reversal of 71013444008 is 80044431017.

It can be written as a sum of positive squares in 2 ways, for example, as 70523175844 + 490268164 = 265562^2 + 22142^2 .

It is a super-2 number, since 2×71013444008² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341410685 + ... + 341410892.

Almost surely, 2^71013444008 is an apocalyptic number.

It is an amenable number.

71013444008 is an abundant number, since it is smaller than the sum of its proper divisors (72379087372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71013444008 is a wasteful number, since it uses less digits than its factorization.

71013444008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682821596 (or 682821592 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The spelling of 71013444008 in words is "seventy-one billion, thirteen million, four hundred forty-four thousand, eight".