47211236330647 has 2 divisors, whose sum is σ = 47211236330648. Its totient is φ = 47211236330646.

The previous prime is 47211236330561. The next prime is 47211236330689. The reversal of 47211236330647 is 74603363211274.

It is a happy number.

47211236330647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47211236330647 - 2¹⁵ = 47211236297879 is a prime.

It is a super-2 number, since 2×47211236330647² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47211236330647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47211236330747) 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, 23605618165323 + 23605618165324.

It is an arithmetic number, because the mean of its divisors is an integer number (23605618165324).

Almost surely, 2^{47211236330647} is an apocalyptic number.

47211236330647 is a deficient number, since it is larger than the sum of its proper divisors (1).

47211236330647 is an equidigital number, since it uses as much as digits as its factorization.

47211236330647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 49.

The spelling of 47211236330647 in words is "forty-seven trillion, two hundred eleven billion, two hundred thirty-six million, three hundred thirty thousand, six hundred forty-seven".