71059712939 has 2 divisors, whose sum is σ = 71059712940. Its totient is φ = 71059712938.

The previous prime is 71059712903. The next prime is 71059712993. The reversal of 71059712939 is 93921795017.

Together with next prime (71059712993) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71059712939 - 2¹² = 71059708843 is a prime.

It is a super-3 number, since 3×71059712939³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (71059712239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35529856469 + 35529856470.

It is an arithmetic number, because the mean of its divisors is an integer number (35529856470).

Almost surely, 2^71059712939 is an apocalyptic number.

71059712939 is a deficient number, since it is larger than the sum of its proper divisors (1).

71059712939 is an equidigital number, since it uses as much as digits as its factorization.

71059712939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1071630, while the sum is 53.

The spelling of 71059712939 in words is "seventy-one billion, fifty-nine million, seven hundred twelve thousand, nine hundred thirty-nine".