2117663334047 has 2 divisors, whose sum is σ = 2117663334048. Its totient is φ = 2117663334046.

The previous prime is 2117663334037. The next prime is 2117663334071. The reversal of 2117663334047 is 7404333667112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2117663334047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2117663333992 and 2117663334010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2117663334037) 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, 1058831667023 + 1058831667024.

It is an arithmetic number, because the mean of its divisors is an integer number (1058831667024).

Almost surely, 2^{2117663334047} is an apocalyptic number.

2117663334047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2117663334047 is an equidigital number, since it uses as much as digits as its factorization.

2117663334047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 47.

The spelling of 2117663334047 in words is "two trillion, one hundred seventeen billion, six hundred sixty-three million, three hundred thirty-four thousand, forty-seven".