71543729426433 has 8 divisors (see below), whose sum is σ = 104063606438496. Its totient is φ = 43359836016000.

The previous prime is 71543729426413. The next prime is 71543729426503. The reversal of 71543729426433 is 33462492734517.

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

It is not a de Polignac number, because 71543729426433 - 2¹⁶ = 71543729360897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71543729426413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083995900368 + ... + 1083995900433.

It is an arithmetic number, because the mean of its divisors is an integer number (13007950804812).

Almost surely, 2^{71543729426433} is an apocalyptic number.

It is an amenable number.

71543729426433 is a deficient number, since it is larger than the sum of its proper divisors (32519877012063).

71543729426433 is a wasteful number, since it uses less digits than its factorization.

71543729426433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167991800815.

The product of its digits is 91445760, while the sum is 60.

The spelling of 71543729426433 in words is "seventy-one trillion, five hundred forty-three billion, seven hundred twenty-nine million, four hundred twenty-six thousand, four hundred thirty-three".