6664554035047 has 2 divisors, whose sum is σ = 6664554035048. Its totient is φ = 6664554035046.

The previous prime is 6664554035011. The next prime is 6664554035059. The reversal of 6664554035047 is 7405304554666.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6664554035047 - 2¹⁹ = 6664553510759 is a prime.

It is a super-2 number, since 2×6664554035047² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6664554030047) 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, 3332277017523 + 3332277017524.

It is an arithmetic number, because the mean of its divisors is an integer number (3332277017524).

Almost surely, 2^{6664554035047} is an apocalyptic number.

6664554035047 is a deficient number, since it is larger than the sum of its proper divisors (1).

6664554035047 is an equidigital number, since it uses as much as digits as its factorization.

6664554035047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288000, while the sum is 55.

The spelling of 6664554035047 in words is "six trillion, six hundred sixty-four billion, five hundred fifty-four million, thirty-five thousand, forty-seven".