71439813062 has 4 divisors (see below), whose sum is σ = 107159719596. Its totient is φ = 35719906530.

The previous prime is 71439813047. The next prime is 71439813101. The reversal of 71439813062 is 26031893417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26031893417 = 83653 ⋅311189.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17859953264 + ... + 17859953267.

It is an arithmetic number, because the mean of its divisors is an integer number (26789929899).

Almost surely, 2^71439813062 is an apocalyptic number.

71439813062 is a deficient number, since it is larger than the sum of its proper divisors (35719906534).

71439813062 is a wasteful number, since it uses less digits than its factorization.

71439813062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35719906533.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 71439813062 in words is "seventy-one billion, four hundred thirty-nine million, eight hundred thirteen thousand, sixty-two".