71381829822428 has 12 divisors (see below), whose sum is σ = 125756579386200. Its totient is φ = 35451378569232.

The previous prime is 71381829822403. The next prime is 71381829822451. The reversal of 71381829822428 is 82422892818317.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 59884084826 + ... + 59884086017.

It is an arithmetic number, because the mean of its divisors is an integer number (10479714948850).

Almost surely, 2^{71381829822428} is an apocalyptic number.

It is an amenable number.

71381829822428 is a deficient number, since it is larger than the sum of its proper divisors (54374749563772).

71381829822428 is a wasteful number, since it uses less digits than its factorization.

71381829822428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119768170996 (or 119768170994 counting only the distinct ones).

The product of its digits is 49545216, while the sum is 65.

The spelling of 71381829822428 in words is "seventy-one trillion, three hundred eighty-one billion, eight hundred twenty-nine million, eight hundred twenty-two thousand, four hundred twenty-eight".