71701491359 has 2 divisors, whose sum is σ = 71701491360. Its totient is φ = 71701491358.

The previous prime is 71701491283. The next prime is 71701491361. The reversal of 71701491359 is 95319410717.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71701491359 is a prime.

It is a super-2 number, since 2×71701491359² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 71701491361, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71701091359) 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 as a sum of consecutive naturals, namely, 35850745679 + 35850745680.

It is an arithmetic number, because the mean of its divisors is an integer number (35850745680).

Almost surely, 2^71701491359 is an apocalyptic number.

71701491359 is a deficient number, since it is larger than the sum of its proper divisors (1).

71701491359 is an equidigital number, since it uses as much as digits as its factorization.

71701491359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 47.

The spelling of 71701491359 in words is "seventy-one billion, seven hundred one million, four hundred ninety-one thousand, three hundred fifty-nine".