47043747013 has 2 divisors, whose sum is σ = 47043747014. Its totient is φ = 47043747012.

The previous prime is 47043747001. The next prime is 47043747019. The reversal of 47043747013 is 31074734074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30610301764 + 16433445249 = 174958^2 + 128193^2 .

It is a cyclic number.

It is not a de Polignac number, because 47043747013 - 2²¹ = 47041649861 is a prime.

It is a super-2 number, since 2×47043747013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47043747019) 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, 23521873506 + 23521873507.

It is an arithmetic number, because the mean of its divisors is an integer number (23521873507).

Almost surely, 2^47043747013 is an apocalyptic number.

It is an amenable number.

47043747013 is a deficient number, since it is larger than the sum of its proper divisors (1).

47043747013 is an equidigital number, since it uses as much as digits as its factorization.

47043747013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 40.

The spelling of 47043747013 in words is "forty-seven billion, forty-three million, seven hundred forty-seven thousand, thirteen".