71864539016683 has 8 divisors (see below), whose sum is σ = 82130997294560. Its totient is φ = 61598104629120.

The previous prime is 71864539016663. The next prime is 71864539016719. The reversal of 71864539016683 is 38661093546817.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71864539016683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71864539016603) 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, 1018993 + ... + 12031933.

It is an arithmetic number, because the mean of its divisors is an integer number (10266374661820).

Almost surely, 2^{71864539016683} is an apocalyptic number.

71864539016683 is a deficient number, since it is larger than the sum of its proper divisors (10266458277877).

71864539016683 is a wasteful number, since it uses less digits than its factorization.

71864539016683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11945157.

The product of its (nonzero) digits is 156764160, while the sum is 67.

The spelling of 71864539016683 in words is "seventy-one trillion, eight hundred sixty-four billion, five hundred thirty-nine million, sixteen thousand, six hundred eighty-three".