71339499277 has 2 divisors, whose sum is σ = 71339499278. Its totient is φ = 71339499276.

The previous prime is 71339499269. The next prime is 71339499337. The reversal of 71339499277 is 77299493317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71302884676 + 36614601 = 267026^2 + 6051^2 .

It is a cyclic number.

It is not a de Polignac number, because 71339499277 - 2³ = 71339499269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71339494277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35669749638 + 35669749639.

It is an arithmetic number, because the mean of its divisors is an integer number (35669749639).

Almost surely, 2^71339499277 is an apocalyptic number.

It is an amenable number.

71339499277 is a deficient number, since it is larger than the sum of its proper divisors (1).

71339499277 is an equidigital number, since it uses as much as digits as its factorization.

71339499277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18003384, while the sum is 61.

The spelling of 71339499277 in words is "seventy-one billion, three hundred thirty-nine million, four hundred ninety-nine thousand, two hundred seventy-seven".