47866137013 has 2 divisors, whose sum is σ = 47866137014. Its totient is φ = 47866137012.

The previous prime is 47866136999. The next prime is 47866137017. The reversal of 47866137013 is 31073166874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37310012964 + 10556124049 = 193158^2 + 102743^2 .

It is a cyclic number.

It is not a de Polignac number, because 47866137013 - 2⁹ = 47866136501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47866137017) 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, 23933068506 + 23933068507.

It is an arithmetic number, because the mean of its divisors is an integer number (23933068507).

Almost surely, 2^47866137013 is an apocalyptic number.

It is an amenable number.

47866137013 is a deficient number, since it is larger than the sum of its proper divisors (1).

47866137013 is an equidigital number, since it uses as much as digits as its factorization.

47866137013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 47866137013 in words is "forty-seven billion, eight hundred sixty-six million, one hundred thirty-seven thousand, thirteen".