71659738063 has 2 divisors, whose sum is σ = 71659738064. Its totient is φ = 71659738062.

The previous prime is 71659737991. The next prime is 71659738069. The reversal of 71659738063 is 36083795617.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71659738063 - 2¹³ = 71659729871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71659737995 and 71659738013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71659738069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35829869031 + 35829869032.

It is an arithmetic number, because the mean of its divisors is an integer number (35829869032).

Almost surely, 2^71659738063 is an apocalyptic number.

71659738063 is a deficient number, since it is larger than the sum of its proper divisors (1).

71659738063 is an equidigital number, since it uses as much as digits as its factorization.

71659738063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 71659738063 in words is "seventy-one billion, six hundred fifty-nine million, seven hundred thirty-eight thousand, sixty-three".