71384303821821 has 8 divisors (see below), whose sum is σ = 95189194002720. Its totient is φ = 47584474761072.

The previous prime is 71384303821771. The next prime is 71384303821843. The reversal of 71384303821821 is 12812830348317.

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

It is not a de Polignac number, because 71384303821821 - 2⁴⁶ = 1015559644157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71384303821891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265247126 + ... + 1265303543.

It is an arithmetic number, because the mean of its divisors is an integer number (11898649250340).

Almost surely, 2^{71384303821821} is an apocalyptic number.

It is an amenable number.

71384303821821 is a deficient number, since it is larger than the sum of its proper divisors (23804890180899).

71384303821821 is a wasteful number, since it uses less digits than its factorization.

71384303821821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530560075.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 71384303821821 in words is "seventy-one trillion, three hundred eighty-four billion, three hundred three million, eight hundred twenty-one thousand, eight hundred twenty-one".