71069973613 has 12 divisors (see below), whose sum is σ = 75058511808. Its totient is φ = 67283541000.

The previous prime is 71069973599. The next prime is 71069973643. The reversal of 71069973613 is 31637996017.

It is a de Polignac number, because none of the positive numbers 2^k-71069973613 is a prime.

It is a super-2 number, since 2×71069973613² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71069973643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 468988 + ... + 601738.

It is an arithmetic number, because the mean of its divisors is an integer number (6254875984).

Almost surely, 2^71069973613 is an apocalyptic number.

It is an amenable number.

71069973613 is a deficient number, since it is larger than the sum of its proper divisors (3988538195).

71069973613 is a wasteful number, since it uses less digits than its factorization.

71069973613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134272 (or 134253 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 52.

The spelling of 71069973613 in words is "seventy-one billion, sixty-nine million, nine hundred seventy-three thousand, six hundred thirteen".