71344393959 has 8 divisors (see below), whose sum is σ = 96014885760. Its totient is φ = 47118415736.

The previous prime is 71344393937. The next prime is 71344394021. The reversal of 71344393959 is 95939344317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71344393959 - 2⁵ = 71344393927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71344393899 and 71344393908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71344393859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111128019 + ... + 111128660.

It is an arithmetic number, because the mean of its divisors is an integer number (12001860720).

Almost surely, 2^71344393959 is an apocalyptic number.

71344393959 is a deficient number, since it is larger than the sum of its proper divisors (24670491801).

71344393959 is a wasteful number, since it uses less digits than its factorization.

71344393959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222256789.

The product of its digits is 11022480, while the sum is 57.

The spelling of 71344393959 in words is "seventy-one billion, three hundred forty-four million, three hundred ninety-three thousand, nine hundred fifty-nine".