247711479013 has 2 divisors, whose sum is σ = 247711479014. Its totient is φ = 247711479012.

The previous prime is 247711479011. The next prime is 247711479083. The reversal of 247711479013 is 310974117742.

247711479013 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 can be written as a sum of positive squares in only one way, i.e., 184034994049 + 63676484964 = 428993^2 + 252342^2 .

It is a cyclic number.

It is not a de Polignac number, because 247711479013 - 2¹ = 247711479011 is a prime.

It is a super-2 number, since 2×247711479013² (a number of 24 digits) contains 22 as substring.

Together with 247711479011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247711479011) 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, 123855739506 + 123855739507.

It is an arithmetic number, because the mean of its divisors is an integer number (123855739507).

Almost surely, 2^247711479013 is an apocalyptic number.

It is an amenable number.

247711479013 is a deficient number, since it is larger than the sum of its proper divisors (1).

247711479013 is an equidigital number, since it uses as much as digits as its factorization.

247711479013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 46.

The spelling of 247711479013 in words is "two hundred forty-seven billion, seven hundred eleven million, four hundred seventy-nine thousand, thirteen".