6842221947193 has 2 divisors, whose sum is σ = 6842221947194. Its totient is φ = 6842221947192.

The previous prime is 6842221947173. The next prime is 6842221947233. The reversal of 6842221947193 is 3917491222486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4030469805609 + 2811752141584 = 2007603^2 + 1676828^2 .

It is a cyclic number.

It is not a de Polignac number, because 6842221947193 - 2²⁵ = 6842188392761 is a prime.

It is not a weakly prime, because it can be changed into another prime (6842221947103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3421110973596 + 3421110973597.

It is an arithmetic number, because the mean of its divisors is an integer number (3421110973597).

Almost surely, 2^{6842221947193} is an apocalyptic number.

It is an amenable number.

6842221947193 is a deficient number, since it is larger than the sum of its proper divisors (1).

6842221947193 is an equidigital number, since it uses as much as digits as its factorization.

6842221947193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 58.

The spelling of 6842221947193 in words is "six trillion, eight hundred forty-two billion, two hundred twenty-one million, nine hundred forty-seven thousand, one hundred ninety-three".