71095449609 has 12 divisors (see below), whose sum is σ = 102761410752. Its totient is φ = 47365589400.

The previous prime is 71095449599. The next prime is 71095449617. The reversal of 71095449609 is 90694459017.

It is a happy number.

71095449609 is a `hidden beast` number, since 7 + 1 + 0 + 9 + 544 + 96 + 0 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-71095449609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71095449619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2600397 + ... + 2627594.

It is an arithmetic number, because the mean of its divisors is an integer number (8563450896).

Almost surely, 2^71095449609 is an apocalyptic number.

It is an amenable number.

71095449609 is a deficient number, since it is larger than the sum of its proper divisors (31665961143).

71095449609 is a wasteful number, since it uses less digits than its factorization.

71095449609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229508 (or 5229505 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 71095449609 in words is "seventy-one billion, ninety-five million, four hundred forty-nine thousand, six hundred nine".