247339354271 has 2 divisors, whose sum is σ = 247339354272. Its totient is φ = 247339354270.

The previous prime is 247339354261. The next prime is 247339354289. The reversal of 247339354271 is 172453933742.

247339354271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-247339354271 is a prime.

It is a super-3 number, since 3×247339354271³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247339354211) 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, 123669677135 + 123669677136.

It is an arithmetic number, because the mean of its divisors is an integer number (123669677136).

Almost surely, 2^247339354271 is an apocalyptic number.

247339354271 is a deficient number, since it is larger than the sum of its proper divisors (1).

247339354271 is an equidigital number, since it uses as much as digits as its factorization.

247339354271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 50.

The spelling of 247339354271 in words is "two hundred forty-seven billion, three hundred thirty-nine million, three hundred fifty-four thousand, two hundred seventy-one".