71389408327 has 2 divisors, whose sum is σ = 71389408328. Its totient is φ = 71389408326.

The previous prime is 71389408297. The next prime is 71389408331. The reversal of 71389408327 is 72380498317.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71389408327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71389408367) 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, 35694704163 + 35694704164.

It is an arithmetic number, because the mean of its divisors is an integer number (35694704164).

Almost surely, 2^71389408327 is an apocalyptic number.

71389408327 is a deficient number, since it is larger than the sum of its proper divisors (1).

71389408327 is an equidigital number, since it uses as much as digits as its factorization.

71389408327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 71389408327 in words is "seventy-one billion, three hundred eighty-nine million, four hundred eight thousand, three hundred twenty-seven".