3813284646217 has 2 divisors, whose sum is σ = 3813284646218. Its totient is φ = 3813284646216.

The previous prime is 3813284646211. The next prime is 3813284646221. The reversal of 3813284646217 is 7126464823183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2577232101376 + 1236052544841 = 1605376^2 + 1111779^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3813284646217 is a prime.

It is a super-2 number, since 2×3813284646217² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3813284646211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1906642323108 + 1906642323109.

It is an arithmetic number, because the mean of its divisors is an integer number (1906642323109).

Almost surely, 2^{3813284646217} is an apocalyptic number.

It is an amenable number.

3813284646217 is a deficient number, since it is larger than the sum of its proper divisors (1).

3813284646217 is an equidigital number, since it uses as much as digits as its factorization.

3813284646217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9289728, while the sum is 55.

The spelling of 3813284646217 in words is "three trillion, eight hundred thirteen billion, two hundred eighty-four million, six hundred forty-six thousand, two hundred seventeen".