8216842130093 has 2 divisors, whose sum is σ = 8216842130094. Its totient is φ = 8216842130092.

The previous prime is 8216842130071. The next prime is 8216842130131. The reversal of 8216842130093 is 3900312486128.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8208351060484 + 8491069609 = 2865022^2 + 92147^2 .

It is a cyclic number.

It is not a de Polignac number, because 8216842130093 - 2¹² = 8216842125997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8216842150093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4108421065046 + 4108421065047.

It is an arithmetic number, because the mean of its divisors is an integer number (4108421065047).

Almost surely, 2^{8216842130093} is an apocalyptic number.

It is an amenable number.

8216842130093 is a deficient number, since it is larger than the sum of its proper divisors (1).

8216842130093 is an equidigital number, since it uses as much as digits as its factorization.

8216842130093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 8216842130093 in words is "eight trillion, two hundred sixteen billion, eight hundred forty-two million, one hundred thirty thousand, ninety-three".