71351433818 has 16 divisors (see below), whose sum is σ = 128754467520. Its totient is φ = 28969754976.

The previous prime is 71351433779. The next prime is 71351433827. The reversal of 71351433818 is 81833415317.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 134118971 + ... + 134119502.

It is an arithmetic number, because the mean of its divisors is an integer number (8047154220).

Almost surely, 2^71351433818 is an apocalyptic number.

71351433818 is a deficient number, since it is larger than the sum of its proper divisors (57403033702).

71351433818 is a wasteful number, since it uses less digits than its factorization.

71351433818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268238501.

The product of its digits is 241920, while the sum is 44.

The spelling of 71351433818 in words is "seventy-one billion, three hundred fifty-one million, four hundred thirty-three thousand, eight hundred eighteen".